TY - JOUR AU - D. V. Kapanadze TI - On a nonlocal Bitsadze–Samarskiǐ boundary value problem JO - Differencialʹnye uravneniâ PY - 1987 SP - 543 EP - 545 VL - 23 IS - 3 UR - http://geodesic.mathdoc.fr/item/DE_1987_23_3_a32/ LA - ru ID - DE_1987_23_3_a32 ER -