TY - JOUR AU - L. A. Kalyakin TI - Weak perturbations of solutions with movable singularities JO - Trudy Instituta matematiki i mehaniki PY - 2001 SP - 85 EP - 104 VL - 7 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2001_7_1_a7/ LA - ru ID - TIMM_2001_7_1_a7 ER -