@article{TMF_1990_82_1_a10,
     author = {A. A. Belov and Yu. E. Lozovik},
     title = {Bound states in~a~noncentral potential:},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {90--100},
     year = {1990},
     volume = {82},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1990_82_1_a10/}
}