%0 Journal Article %A Kjell Björup %T On Inequalities of Poincaré's Type. %J Mathematica Scandinavica %D 1960 %P 157-167 %V 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1960__8_165744/ %F MS2_1960__8_165744