%0 Journal Article %A Wynn, P. %T Upon the generalised inverse of a formal power series with vector valued coefficients %J Compositio Mathematica %D 1971 %P 453-460 %V 23 %N 4 %I Wolters-Noordhoff Publishing %U http://www.numdam.org/item/CM_1971__23_4_453_0/ %G en %F CM_1971__23_4_453_0