Petrina, E. D., Petrina, D. Y., Петрина, Е. Д., Петрина, Д. Я., Петрина, Е. Д., & Петрина, Д. Я. (1997). Existence of equilibrium states of systems of hard spheres in the Boltzmann-Enskog limit within the frame work of the grand canonical ensemble. Institute of Mathematics, NAS of Ukraine.
Чикаго стиль цитування (17-те видання)Petrina, E. D., D. Ya Petrina, Е. Д Петрина, Д. Я Петрина, Е. Д Петрина, та Д. Я Петрина. Existence of Equilibrium States of Systems of Hard Spheres in the Boltzmann-Enskog Limit Within the Frame Work of the Grand Canonical Ensemble. Institute of Mathematics, NAS of Ukraine, 1997.
Стиль цитування MLA (8-ме видання)Petrina, E. D., et al. Existence of Equilibrium States of Systems of Hard Spheres in the Boltzmann-Enskog Limit Within the Frame Work of the Grand Canonical Ensemble. Institute of Mathematics, NAS of Ukraine, 1997.