%0 Journal Article %A D. Levi %A O. Ragnisco %A M. A. Rodriguez %T On non-isospectral flows, Painlevé equations, and symmetries of differential and difference equations %J Teoretičeskaâ i matematičeskaâ fizika %D 1992 %P 473-480 %V 93 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_1992_93_3_a5/ %G en %F TMF_1992_93_3_a5