TY - JOUR AU - C. S. Rjutin TI - Lipshitz retractions and the operator of generalized rational approximation JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2000 SP - 1205 EP - 1220 VL - 6 IS - 4 UR - http://geodesic.mathdoc.fr/item/FPM_2000_6_4_a15/ LA - ru ID - FPM_2000_6_4_a15 ER -