@article{TMF_1999_121_2_a6,
     author = {S. A. Vugal'ter and G. M. Zhislin},
     title = {Spectral properties of a pseudorelativistic system of two particles with finite masses},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {297--306},
     publisher = {mathdoc},
     volume = {121},
     number = {2},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1999_121_2_a6/}
}