TY - JOUR AU - Ak. B. Bazarbekov AU - Ar. B. Bazarbekov TI - Goursat and Darboux problems for the two-dimensional wave equation. I JO - Differencialʹnye uravneniâ PY - 1994 SP - 806 EP - 813 VL - 30 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1994_30_5_a8/ LA - ru ID - DE_1994_30_5_a8 ER -