TY - JOUR AU - N. N. Nefedov TI - An asymptotic method of differential inequalities for the investigation of periodic contrast structures: Existence, asymptotics, and stability JO - Differencialʹnye uravneniâ PY - 2000 SP - 262 EP - 269 VL - 36 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2000_36_2_a15/ LA - ru ID - DE_2000_36_2_a15 ER -