TY - JOUR AU - I. Kh. Khairyllin TI - On a problem for a degenerate equation of hyperbolic type JO - Trudy seminara po kraevym zadačam PY - 1970 SP - 289 EP - 192 VL - 7 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KUKZ_1970_7_7_a44/ LA - ru ID - KUKZ_1970_7_7_a44 ER -