@article{DAN_1957_115_2_a2,
     author = {I. M. Glazman},
     title = {An analogue of the extension theory of {Hermitian} operators and a non- symmetric one dimensional boundary problem on a half-axis},
     journal = {Doklady Akademii Nauk},
     pages = {214--216},
     publisher = {mathdoc},
     volume = {115},
     number = {2},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_115_2_a2/}
}