TY - JOUR AU - S. V. Guvernyuk TI - Dynamical invariants in problems of the steady flow of an ideal JO - Doklady Akademii Nauk PY - 1996 SP - 478 EP - 481 VL - 349 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1996_349_4_a11/ LA - ru ID - DAN_1996_349_4_a11 ER -