TY - JOUR AU - T. Sh. Kal'menov TI - The Darboux problem for a certain degenerate equation JO - Differencialʹnye uravneniâ PY - 1974 SP - 59 EP - 68 VL - 10 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1974_10_1_a7/ LA - ru ID - DE_1974_10_1_a7 ER -