TY - JOUR AU - M. S. Gabrielyan AU - S. G. Shahinyan TI - On one problem of instability according to acting force JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 1999 SP - 31 EP - 34 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_1999_1_a4/ LA - ru ID - UZERU_1999_1_a4 ER -