TY - JOUR AU - V. Ya. Ivrii TI - Wave fronts of solutions of some microlocally hyperbolic pseudodifferential equations JO - Doklady Akademii Nauk PY - 1976 SP - 1009 EP - 1011 VL - 226 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_226_5_a4/ LA - ru ID - DAN_1976_226_5_a4 ER -