TY - JOUR AU - A. F. Sidorov TI - Investigation of the singularities of unsteady conic gas flows JO - Doklady Akademii Nauk PY - 1994 SP - 732 EP - 735 VL - 335 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1994_335_6_a17/ LA - ru ID - DAN_1994_335_6_a17 ER -