%0 Journal Article %A M. G. Calalb %A M. E. Palistrant %T Collective vibrations in superconductors with low carrier density and overlapping energy bands on the Fermi surface %J Teoretičeskaâ i matematičeskaâ fizika %D 1997 %P 162-175 %V 110 %N 1 %U http://geodesic.mathdoc.fr/item/TMF_1997_110_1_a12/ %G ru %F TMF_1997_110_1_a12