@article{DAN_1968_181_5_a18,
     author = {D. V. Shirkov},
     title = {A contribution to the theory of resonance states},
     journal = {Doklady Akademii Nauk},
     pages = {1097--1099},
     publisher = {mathdoc},
     volume = {181},
     number = {5},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_181_5_a18/}
}