TY - JOUR AU - I. V. Maiorov TI - Some problems for a certain degenerate hyperbolic system JO - Differencialʹnye uravneniâ PY - 1977 SP - 369 EP - 372 VL - 13 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1977_13_2_a18/ LA - ru ID - DE_1977_13_2_a18 ER -