TY - JOUR AU - L. I. Kamynin TI - A theorem on an oblique derivative for second-order parabolic equations that admit weak degeneration.~I JO - Differencialʹnye uravneniâ PY - 1988 SP - 650 EP - 661 VL - 24 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1988_24_4_a13/ LA - ru ID - DE_1988_24_4_a13 ER -