TY - JOUR AU - M. A. Sadybekov TI - A new type of boundary value problem for the wave equation JO - Doklady Akademii Nauk PY - 1994 SP - 590 EP - 591 VL - 336 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1994_336_5_a3/ LA - ru ID - DAN_1994_336_5_a3 ER -