TY - JOUR AU - O. V. Dunaeva TI - On the nonpreservation under small perturbations of the asymptotic JO - Doklady Akademii Nauk PY - 1995 SP - 332 EP - 333 VL - 343 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1995_343_3_a11/ LA - ru ID - DAN_1995_343_3_a11 ER -