TY - JOUR AU - V. V. Shelukhin TI - On~a~quadratic functional in a nonlocal boundary value problem for the heat equation JO - Matematičeskie zametki PY - 1991 SP - 135 EP - 143 VL - 49 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1991_49_1_a16/ LA - ru ID - MZM_1991_49_1_a16 ER -