On a regularization method for solving matrix Sylvester equation by S. M. Chuiko, O. V. Chuiko, M. V. Dziuba

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On Motion of Rigid Body with Cavity Containing the Multilayer Ideal Fluid by Yu. M. Kononov

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Periodic boundary value problem of Lyenar type unresolved with respect to derivative in critical case by S. M. Chujko, A. S. Chujko, O. V. Nesmelova

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Observer for uncertain dynamical system by V. F. Shcherbak

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Phylogeny and Ontogeny. To the Problem of the Relation of Individual and Historical Development in Organisms by M. F. Kovtun, H. V. Sheverdyukova

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Comparative Karyotype Analysis of Slugs of the Genus Arion (Gastropoda, Pulmonata, Arionidae) by A. V. Harbar, N. S. Kadlubovska, D. A. Harbar

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Distribution of the Spider Zelotes azsheganovae (Aranei, Gnaphosidae) on the East European Plain by K. V. Evtushenko, Yu. Polchaninova, S. L. Esyunin

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First Record of Fossil Species of the Genus Tetramorium (Hymenoptera, Formicidae) by A. G. Radchenko, G. M. Dlussky

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A New Extinct Species of Pikeperch, Sander svetovidovi (Teleostei, Percidae), from the Late Miocene of Southern Ukraine by O. M. Kovalchuk

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The Effect of Temperature on the Development of Adult Generations of Entomopathogenic Nematode Steinernema arenarium Isolate CH by Ye. B. Yakovlev, V. A. Kharchenko

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Some Factors Behind Density Dynamics of Bat Flies (Diptera, Nyc- teribiidae) — Ectoparasites of the Boreal Chiropterans: Omitted Predictors and Hurdle Model Identification by M. V. Orlova, I. A. Kshnyasev, O. L. Orlov, A. V. Zhigalin

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Distribution of the Freshwater Snail Species Fagotia (Gastropoda, Melanopsidae) in Ukraine According to Climatic Factors. I. Fagotia esperi by V. Tytar, N. Makarova

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The Socioeconomic and Political Profile of the Islamic Republic of Iran by I. O. Panova, O. K. Zhevaho

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Polyfrequency Regime of Vibrations of Electromagnetic Shock-Vibration System by V. A. Basarab

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Avian Diversity Along an Altitudinal Gradient in Highveld/Drakensberg Grasslands by G. Kopij

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Comparative Aspects of the Morphogenesis and Morphology of the Wing Membranes of Bats (Chiroptera) and Flying Lemurs (Dermoptera) by I. M. Kovalyova

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A New Species of the Genus Eurytoma (Hymenoptera, Chalcidoidea, Eurytomidae) from the Seeds of Honey Locust Gleditsia triacanthos (Caesalpiniaceae) in Ukraine by M. D. Zerova, V. N. Fursov

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A New Species of Globicornis (Hadrotoma) (Coleoptera, Dermestidae, Megatominae) by J. U. Hava, A. L. Damgaard

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A Unique Colony of the Bobak Marmot, Marmota bobak (Rodentia, Sciuridae), in Steppes of the Right-Bank Ukraine by H. V. Rashevska, S. K. Semeniuk

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In commemoration of Otto Nikolaevich Davydov by Ya. Kurovskaya, V. V. Kornyushin, V. A. Kharchenko

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