TY - JOUR AU - V. I. Sumin TI - Volterra Functional Equations in the Theory of Optimization of Distributed Systems. On the Problem of Singularity of Controlled Initial--Boundary Value Problems JO - Trudy Instituta matematiki i mehaniki PY - 2022 SP - 188 EP - 201 VL - 28 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2022_28_3_a14/ LA - ru ID - TIMM_2022_28_3_a14 ER -