TY - JOUR AU - Ewa Duma TI - Algebraic SL(2)-actions: deformations of infinite isotropy subgroups JO - Colloquium Mathematicum PY - 1989 SP - 221 EP - 231 VL - 58 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-58-2-221-231/ DO - 10.4064/cm-58-2-221-231 LA - en ID - 10_4064_cm_58_2_221_231 ER -