@article{MT_2014_17_1_a5,
     author = {R. R. Kucharov and Yu. Kh. Eshkabilov},
     title = {On the number of negative eigenvalues of a~partial integral operator},
     journal = {Matemati\v{c}eskie trudy},
     pages = {128--144},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_2014_17_1_a5/}
}