%0 Journal Article %A V. L. Bonch-Bruevich %T Spectral representation of mass and polarization operators at arbitrary temperatures %J Doklady Akademii Nauk %D 1962 %P 1049-1052 %V 147 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_147_5_a16/ %G ru %F DAN_1962_147_5_a16