Upon the generalised inverse of a formal power series with vector valued coefficients
Compositio Mathematica, Volume 23 (1971) no. 4, p. 453-460
@article{CM_1971__23_4_453_0,
     author = {Wynn, P.},
     title = {Upon the generalised inverse of a formal power series with vector valued coefficients},
     journal = {Compositio Mathematica},
     publisher = {Wolters-Noordhoff Publishing},
     volume = {23},
     number = {4},
     year = {1971},
     pages = {453-460},
     zbl = {0239.15003},
     mrnumber = {306224},
     language = {en},
     url = {http://www.numdam.org/item/CM_1971__23_4_453_0}
}
Wynn, P. Upon the generalised inverse of a formal power series with vector valued coefficients. Compositio Mathematica, Volume 23 (1971) no. 4, pp. 453-460. http://www.numdam.org/item/CM_1971__23_4_453_0/

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