%0 Journal Article %A T. L. Anikst %T A certain modification of Fourier's method for a certain class of polyharmonic equations of parabolic type with coefficients that are dependent on the time %J Differencialʹnye uravneniâ %D 1970 %P 1099-1111 %V 6 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1970_6_6_a14/ %G ru %F DE_1970_6_6_a14