%0 Journal Article %A S. G. Pyatkov %T On Some Classes of Nonlocal Boundary-Value Problems for Singular Parabolic Equations %J Matematičeskie zametki %D 2019 %P 578-594 %V 106 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2019_106_4_a8/ %G ru %F MZM_2019_106_4_a8