%0 Journal Article %A V. F. Tarasov %T The confluent Heun equation with two singularities and the modified Schrödinger equation with two accessory parameters %J Fundamentalʹnaâ i prikladnaâ matematika %D 2000 %P 311-314 %V 6 %N 1 %U http://geodesic.mathdoc.fr/item/FPM_2000_6_1_a27/ %G ru %F FPM_2000_6_1_a27