TY - JOUR AU - A. B. Zimin TI - Certain boundary value problems for quasilinear equations which contain a small parameter at the highest derivative JO - Differencialʹnye uravneniâ PY - 1969 SP - 357 EP - 370 VL - 5 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1969_5_2_a14/ LA - ru ID - DE_1969_5_2_a14 ER -