@article{FAA_2004_38_3_a5,
     author = {M. Z. Solomyak},
     title = {On the {Discrete} {Spectrum} of a {Family} of {Differential} {Operators}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {70--78},
     publisher = {mathdoc},
     volume = {38},
     number = {3},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2004_38_3_a5/}
}