@article{DE_2004_40_7_a14,
     author = {R. Kh. Amirov and I. M. Guseinov},
     title = {Some {Classes} of {Dirac} {Operators} with {Singular} {Potentials}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {999--1001},
     year = {2004},
     volume = {40},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2004_40_7_a14/}
}