TY - JOUR AU - M. V. Kondratieva TI - On the conjecture of M.~Janet for systems of partial differential equations JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2024 SP - 123 EP - 131 VL - 25 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2024_25_1_a7/ LA - ru ID - FPM_2024_25_1_a7 ER -