Classification of realizations of Lie algebras of vector fields on circle by S. V. Spichak

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Preliminary group classification of general two-dimensional quasi-linear elliptic type equations by Spichak, S., Спічак, С.

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Symmetry properties and exact solutions of the pricing equation of Asian options by Spichak, S., Stognij, V., Kopas, I., Спічак, С., Стогній, В., Копась, І.

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Electrophysical сharacteristics of LEDs based on GaN epitaxial films by Oleksenko, P.Ph., Sukach, G.A., Smertenko, P.S., Vlaskina, S.I., Bogoslovskaya, A.B., Spichak, I.O., Shin, D.H.

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