TY - JOUR AU - Hanspeter Kraft AU - Vladimir L. Popov TI - Semisimple group actions on the three dimensional affine space are linear. JO - Commentarii mathematici Helvetici PY - 1985 SP - 466 EP - 479 VL - 60 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1985__60_140027/ ID - CMH_1985__60_140027 ER -