TY - JOUR AU - V. A. Eleev TI - Some boundary value problems for a certain degenerate hyperbolic equation of the second kind JO - Differencialʹnye uravneniâ PY - 1971 SP - 25 EP - 33 VL - 7 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1971_7_1_a2/ LA - ru ID - DE_1971_7_1_a2 ER -