TY - JOUR AU - V. S. Buslaev TI - Asymptotic comparison of differential equations JO - Algebra i analiz PY - 2002 SP - 1 EP - 18 VL - 14 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2002_14_4_a0/ LA - ru ID - AA_2002_14_4_a0 ER -