%0 Journal Article %A K. K. Danilevich-Tovstyuk %A B. A. Lukiyanets %T The exciton spectrum problem in strongly anisotropic semiconductors %J Teoretičeskaâ i matematičeskaâ fizika %D 1981 %P 428-432 %V 48 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1981_48_3_a14/ %G ru %F TMF_1981_48_3_a14