%0 Journal Article %A Ya. I. Belopol'skaya %T Parabolic equations in sections of principal bundles %J Algebra i analiz %D 1990 %P 80-100 %V 2 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1990_2_5_a2/ %G ru %F AA_1990_2_5_a2