@article{TRSPY_2002_236_a26,
     author = {M. I. Neiman-Zade and A. M. Savchuk},
     title = {Schr\"odinger {Operators} with {Singular} {Potentials}},
     journal = {Informatics and Automation},
     pages = {262--271},
     publisher = {mathdoc},
     volume = {236},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2002_236_a26/}
}