%0 Journal Article %A C. Berenstein %A M. Cotlar %A N. Kerzman %A P. Krée %T Some remarks on the Marcinkiewicz convexity theorem in the upper triangle %J Studia Mathematica %D 1967 %P 79-95 %V 29 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-29-1-79-95/ %R 10.4064/sm-29-1-79-95 %G en %F 10_4064_sm_29_1_79_95