TY - JOUR AU - Ewa Duma TI - On SL(2)-actions without 3-dimensional orbits JO - Colloquium Mathematicum PY - 1989 SP - 233 EP - 241 VL - 58 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-58-2-233-241/ DO - 10.4064/cm-58-2-233-241 LA - en ID - 10_4064_cm_58_2_233_241 ER -