%0 Journal Article %A A. Sharma %A M.A. Botto %T Averaging interpolation on sets with multiplicities. %J Aequationes mathematicae %D 1977 %P 63-72 %V 15 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1977__15_136629/ %F AM2_1977__15_136629