%0 Journal Article %A C. S. Rjutin %T Lipshitz retractions and the~operator of generalized rational approximation %J Fundamentalʹnaâ i prikladnaâ matematika %D 2000 %P 1205-1220 %V 6 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2000_6_4_a15/ %G ru %F FPM_2000_6_4_a15