Opanasenko Stanislav Viktorovych. Generalized equivalence groups and extended symmetry analysis of differential equations : Кандидат фізико-математичних наук : spec.. 01.01.03 - Математична фізика : presented. 2020-11-17; popup.evolution: .; The Institute of Mathematics of NASU. – Київ, 0420U101993.

Updated: 2026-11-08