%0 Journal Article %A M. E. Palistrant %T Superconductivity and Ferromagnetism in Nonadiabatic Systems with Magnetic Impurity: A Step Beyond the Migdal Theorem %J Teoretičeskaâ i matematičeskaâ fizika %D 2003 %P 137-158 %V 135 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2003_135_1_a7/ %G ru %F TMF_2003_135_1_a7