@article{UFA_2015_7_4_a2,
     author = {A. R. Bikmetov and V. F. Vil'danova and I. Kh. Khusnullin},
     title = {On perturbation of {a~Schr\"odinger} operator on axis by narrow potentials},
     journal = {Ufa mathematical journal},
     pages = {24--31},
     publisher = {mathdoc},
     volume = {7},
     number = {4},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2015_7_4_a2/}
}