@article{FAA_2006_40_2_a8,
     author = {L. P. Nizhnik},
     title = {A {One-Dimensional} {Schr\"odinger} {Operator} with {Point} {Interactions} on {Sobolev} {Spaces}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {74--79},
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2006_40_2_a8/}
}