@article{FAA_2010_44_2_a8,
     author = {A. S. Kostenko and M. M. Malamud},
     title = {One-dimensional {Schr\"odinger} operator with $\delta$-interactions},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {87--91},
     publisher = {mathdoc},
     volume = {44},
     number = {2},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2010_44_2_a8/}
}