%0 Journal Article %A Norman W. Bazley %T Approximation of Operators with Reproducing Nonlinearities. %J Manuscripta mathematica %D 1976 %P 353-370 %V 18 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1976__18_154398/ %F MM2_1976__18_154398