@article{DAN_1994_336_4_a1,
     author = {S. V. Kurochkin},
     title = {A method for finding the eigenvalues of a nonselfadjoint boundary},
     journal = {Doklady Akademii Nauk},
     pages = {442--443},
     publisher = {mathdoc},
     volume = {336},
     number = {4},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1994_336_4_a1/}
}