TY - JOUR AU - A. B. Vasil'eva AU - A. G. Nikitin TI - On the stability of periodic contrast structures in the spatially two-dimensional case JO - Differencialʹnye uravneniâ PY - 1996 SP - 1355 EP - 1361 VL - 32 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1996_32_10_a8/ LA - ru ID - DE_1996_32_10_a8 ER -