%0 Journal Article %A V. L. Makarov %A I. P. Gavriljuk %A V. M. Luzhnyh %T Exact and truncated difference schemes for a class of Sturm--Liouville problems with degeneration %J Differencialʹnye uravneniâ %D 1980 %P 1265-1275 %V 16 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1980_16_7_a10/ %G ru %F DE_1980_16_7_a10