@article{DAN_1965_164_5_a12,
     author = {I. T. Lozanovskaya and Ya. S. Uflyand},
     title = {A class of problems in mathematical physics with a mixed eigenvalue spectrum},
     journal = {Doklady Akademii Nauk},
     pages = {1005--1007},
     publisher = {mathdoc},
     volume = {164},
     number = {5},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_164_5_a12/}
}