TY - JOUR AU - M. I. Sumin TI - Regularization of the Pontryagin maximum principle in a convex optimal boundary control problem for a parabolic equation with an operator equality constraint JO - Trudy Instituta matematiki i mehaniki PY - 2021 SP - 221 EP - 237 VL - 27 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2021_27_2_a18/ LA - ru ID - TIMM_2021_27_2_a18 ER -