TY - JOUR AU - L. A. Kovaleva TI - On modified Bitsadze--Samarskiy problem JO - Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences PY - 2007 SP - 10 EP - 15 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGTU_2007_1_a1/ LA - ru ID - VSGTU_2007_1_a1 ER -