TY - JOUR AU - V. I. Yudovich TI - Vibration dynamics of systems with constraints JO - Doklady Akademii Nauk PY - 1997 SP - 622 EP - 624 VL - 354 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1997_354_5_a12/ LA - ru ID - DAN_1997_354_5_a12 ER -