TY - JOUR AU - Oleg V. Kaptsov TI - Symmetries of linear and nonlinear partial differential equations JO - Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika PY - 2024 SP - 570 EP - 574 VL - 17 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JSFU_2024_17_5_a1/ LA - en ID - JSFU_2024_17_5_a1 ER -