%0 Journal Article %A A. Yu. Popov %A I. V. Tikhonov %T Uniqueness Classes in a Time-Nonlocal Problem for the Heat Equation and Complex Eigenfunctions of the Laplace Operator %J Differencialʹnye uravneniâ %D 2004 %P 396-405 %V 40 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2004_40_3_a12/ %G ru %F DE_2004_40_3_a12