TY - JOUR AU - Pérez, Juan Antonio TI - Substitutional lemma for G-spaces of 1-dimensional groups JO - Glasgow mathematical journal PY - 1996 SP - 215 EP - 220 VL - 38 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500031463/ DO - 10.1017/S0017089500031463 ID - 10_1017_S0017089500031463 ER -