%0 Journal Article %A M. A. Antonets %A G. M. Zhislin %A I. A. Shereshevskii %T On a reduction in the investigation of the discrete spectrum of many- particle Hamiltonians %J Doklady Akademii Nauk %D 1975 %P 761-764 %V 222 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_222_4_a0/ %G ru %F DAN_1975_222_4_a0