TY - JOUR AU - N. N. Kochina AU - N. S. Mel'nikova TI - On the nonstationary motion of gas displaced by a piston, taking counterpressure into account JO - Doklady Akademii Nauk PY - 1958 SP - 192 EP - 195 VL - 122 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1958_122_2_a7/ LA - ru ID - DAN_1958_122_2_a7 ER -