%0 Journal Article %A Becker, Joseph %T Solving power series equations. II. Change of ground field %J Annales de l'Institut Fourier %D 1979 %P 1-23 %V 29 %N 2 %I Institut Fourier %C Grenoble %U http://www.numdam.org/articles/10.5802/aif.742/ %R 10.5802/aif.742 %G en %F AIF_1979__29_2_1_0