%0 Journal Article %A G. I. Shishkin %T Grid Approximations to Singularly Perturbed Parabolic Equations with Turning Points %J Differencialʹnye uravneniâ %D 2001 %P 987-999 %V 37 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2001_37_7_a15/ %G ru %F DE_2001_37_7_a15