TY - JOUR AU - M. A. Abdrachmanov TI - $L_2$-estimates of the solution of model initial-boundary value problems for a system of two equations of general form with mixed parabolic-elliptic structure JO - Differencialʹnye uravneniâ PY - 1990 SP - 1634 EP - 1635 VL - 26 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1990_26_9_a20/ LA - ru ID - DE_1990_26_9_a20 ER -