@article{ZVMMF_1969_9_1_a9,
     author = {A. A. Arsen'ev},
     title = {The expansion in eigenfunctions of the {Schr\"odinger} operator with a strongly singular potential},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {137--163},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1969_9_1_a9/}
}