%0 Journal Article %A M. E. Palistrant %T Influence of nonmagnetic admixture on superconductivity in two-zone systems with variable density of charge carriers %J Teoretičeskaâ i matematičeskaâ fizika %D 1997 %P 289-303 %V 111 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1997_111_2_a9/ %G ru %F TMF_1997_111_2_a9