@article{ZVMMF_2010_50_4_a6,
     author = {I. Kh. Khusnullin},
     title = {A perturbed boundary eigenvalue problem for the {Schr\"odinger} operator on an interval},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {679--698},
     publisher = {mathdoc},
     volume = {50},
     number = {4},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2010_50_4_a6/}
}