TY - JOUR AU - R. D. Bachelis TI - On analytical solutions of differential equations in partial derivatives of the third order JO - Doklady Akademii Nauk PY - 1957 SP - 567 EP - 570 VL - 112 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1957_112_4_a0/ LA - ru ID - DAN_1957_112_4_a0 ER -