TY - JOUR AU - I. V. Andrianov TI - Sequential construction of asymptotic solutions in essentially nonlinear systems JO - Doklady Akademii Nauk PY - 1994 SP - 194 EP - 195 VL - 337 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1994_337_2_a11/ LA - ru ID - DAN_1994_337_2_a11 ER -