@article{DAN_1980_255_1_a5,
     author = {V. S. Klimov},
     title = {Eigenvectors of potential operators in complementary systems},
     journal = {Doklady Akademii Nauk},
     pages = {30--33},
     publisher = {mathdoc},
     volume = {255},
     number = {1},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_255_1_a5/}
}