@article{DAN_1971_196_1_a10,
     author = {Kh. Kh. Murtazin},
     title = {The spectral properties of selfadjoint and nonselfadjoint {Schr\"odinger} operators in infinite domains},
     journal = {Doklady Akademii Nauk},
     pages = {44--46},
     publisher = {mathdoc},
     volume = {196},
     number = {1},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_196_1_a10/}
}