%0 Journal Article %A A. Calderón %T An inequality for integrals %J Studia Mathematica %D 1976 %P 275-277 %V 57 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-57-3-275-277/ %R 10.4064/sm-57-3-275-277 %G en %F 10_4064_sm_57_3_275_277