TY - JOUR AU - O. F. Vasiliev TI - Approximation equations for the oscillations of water and ship in the chamber of ship lifts and sluices JO - Doklady Akademii Nauk PY - 1961 SP - 1309 EP - 1312 VL - 138 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1961_138_6_a15/ LA - ru ID - DAN_1961_138_6_a15 ER -