TY - JOUR AU - A. Wintner TI - On normal inertia JO - Studia Mathematica PY - 1939 SP - 135 EP - 140 VL - 8 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-8-1-135-140/ DO - 10.4064/sm-8-1-135-140 LA - fr ID - 10_4064_sm_8_1_135_140 ER -