%0 Journal Article %A A. Wintner %T On normal inertia %J Studia Mathematica %D 1939 %P 135-140 %V 8 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-8-1-135-140/ %R 10.4064/sm-8-1-135-140 %G fr %F 10_4064_sm_8_1_135_140