TY - JOUR AU - V. F. Butuzov AU - V. V. Kiryushin TI - The Stability of a Step-Like Contrast Structure in the Case of a Multiple Root of the Equation for the Transition Point JO - Differencialʹnye uravneniâ PY - 2002 SP - 70 EP - 80 VL - 38 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2002_38_1_a10/ LA - ru ID - DE_2002_38_1_a10 ER -