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@article{MZ_1962__80_170098, author = {Arne Magnus}, title = {Expansion of power series into {P-fractions.}}, journal = {Mathematische Zeitschrift}, pages = {209--216}, publisher = {mathdoc}, volume = {80}, year = {1962}, zbl = {0106.28202}, url = {http://geodesic.mathdoc.fr/item/MZ_1962__80_170098/} }
Arne Magnus. Expansion of power series into P-fractions.. Mathematische Zeitschrift, Tome 80 (1962), pp. 209-216. http://geodesic.mathdoc.fr/item/MZ_1962__80_170098/