TY - JOUR AU - V. I. Petviashvili TI - Instability of ideal liquid flow with free surface JO - Doklady Akademii Nauk PY - 1977 SP - 787 EP - 789 VL - 234 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1977_234_4_a14/ LA - ru ID - DAN_1977_234_4_a14 ER -