@article{DAN_1968_182_1_a1,
     author = {A. A. Arsen'ev},
     title = {The eigenfunction expansion of a {Schr\"odinger} operator with strongly singular potential},
     journal = {Doklady Akademii Nauk},
     pages = {13--15},
     publisher = {mathdoc},
     volume = {182},
     number = {1},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_182_1_a1/}
}