TY - JOUR AU - Jan Jaworowski TI - An Equivariant Extension Theorem and G-Retracts with a Finite Structure. JO - Manuscripta mathematica PY - 1981 SP - 323 EP - 330 VL - 35 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM2_1981__35_154798/ ID - MM2_1981__35_154798 ER -