%0 Journal Article %A V. F. Butuzov %A A. I. Bychkov %T The initial-boundary value problem for a singularly perturbed parabolic equation in the case of double and triple root of the degenerate equation %J Čebyševskij sbornik %D 2015 %P 41-76 %V 16 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2015_16_4_a3/ %G ru %F CHEB_2015_16_4_a3