%0 Journal Article %A Daniel Oberlin %T Multilinear proofs for two theorems on circular averages %J Colloquium Mathematicum %D 1992 %P 187-190 %V 63 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-63-2-187-190/ %R 10.4064/cm-63-2-187-190 %G en %F 10_4064_cm_63_2_187_190