%0 Journal Article %A W. Lay %T The central two-point connection problem of Heun's class of differential equations %J Teoretičeskaâ i matematičeskaâ fizika %D 1994 %P 360-368 %V 101 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1994_101_3_a3/ %G ru %F TMF_1994_101_3_a3