TY - JOUR AU - S. G. Pyatkov TI - On Some Classes of Nonlocal Boundary-Value Problems for Singular Parabolic Equations JO - Matematičeskie zametki PY - 2019 SP - 578 EP - 594 VL - 106 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2019_106_4_a8/ LA - ru ID - MZM_2019_106_4_a8 ER -