TY - JOUR AU - Yu. V. Kostarchuk TI - General elliptic boundary value problems with discontinuous coefficients JO - Differencialʹnye uravneniâ PY - 1982 SP - 1989 EP - 1993 VL - 18 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1982_18_11_a22/ LA - ru ID - DE_1982_18_11_a22 ER -