@article{DAN_1994_335_4_a4,
     author = {V. A. Mikhailets},
     title = {A one-dimensional {Schr\"odinger} operator with point interactions},
     journal = {Doklady Akademii Nauk},
     pages = {421--423},
     year = {1994},
     volume = {335},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1994_335_4_a4/}
}