@article{Larson&Taft:1990,
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	author = "R. G. Larson and E. J. Taft",
	title = "The algebraic structure of linearly recursive sequences
under {Hadamard} product",
	journal = ISJM,
	volume = 72,
	year = 1990,
	pages = "118-132"}

@article{Hadamard:1899,
	key = "Hadamard 1899",
	author = "J. Hadamard",
	title = "{Th\'eor\`eme} sur les {s\'eries} {enti\`eres}",
	journal = ACTAM,
	volume = 22,
	year = 1899,
	pages = "55-63"}

@article{Bezivin:1990,
	key = "Bezivin 1990",
	author = "J.-P. Bezivin",
	title = "Sur les {propri\'et\'es} {arithm\'etiques} du 
produit de {Hadamard}",
	journal = AFST,
	volume = 11,
	year = 1990,
	pages = "7-19"}

@incollection{Rumely:1989b,
	key = "Rumely 1989b",
	author = "R. Rumely",
	title = "Notes on {van der Poorten's} proof of the
{Hadamard} quotient theorem:  part {II}",
	booktitle = "{S\'eminaire} de {Th\'eorie} des Nombres, Paris 1986--87",
	publisher = BB,
	year = "{\noopsort{1989a}}1989",
	series = PM,
	volume = 75,
	pages = "383-409"}

@incollection{Rumely:1989a,
	key = "Rumely 1989a",
	author = "R. Rumely",
	title = "Notes on {van der Poorten's} proof of the
{Hadamard} quotient theorem:  part {I}",
	booktitle = "{S\'eminaire} de {Th\'eorie} des Nombres, Paris 1986--87",
	publisher = BB,
	year = "{\noopsort{1989a}}1989",
	series = PM,
	volume = 75,
	pages = "349-382"}

@inproceedings{Gerardin:1979,
	key = "{G\'erardin} 1979",
	author = "K. {G\'erardin}",
	title = "Un {r\'esultat} sur le quotient de {Hadamard} des
{s\'eries} rationnelles",
	booktitle = "S\'eminaire {Delange-Pisot-Poitou}",
	volume = 20,
	year = "1978/79",
	pages = "12.01-12.14"}

@article{Cantor:1972,
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	author = "D. G. Cantor",
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rational functions, {II}",
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	volume = 41,
	year = 1972,
	pages = "329-334"}

@article{Cantor:1969,
	key = "Cantor 1969",
	author = "D. G. Cantor",
	title = "On arithmetic properties of the {Taylor} series of
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	volume = 21,
	year = 1969,
	pages = "378-382"}

@article{Cantor:1965,
	key = "Cantor 1965",
	author = "D. G. Cantor",
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	year = 1965,
	pages = "55-58"}

@article{Lewis&Morton:1982,
	key = "Lewis and Morton 1982",
	author = "D. J. Lewis and P. Morton",
	title = "Quotients of polynomials and a theorem of {Pisot} and
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	pages = "813-822"}

@incollection{vanderPoorten:1990a,
	key = "van der Poorten 1990a",
	author = "Poorten, A. J. van der",
	title = "A divergent argument concerning {Hadamard} roots
of rational functions",
	booktitle = "Analytic Number Theory.  Proceedings of a Conference in
Honor of Paul T. Bateman",
	editor = "B. C. Berndt and H. G. Diamond and H. Halberstam and A. Hildebrand",
	publisher = BB,
	series = PM,
	volume = 85,
	year = "{\noopsort{1990a}}1990",
	pages = "413-427"}

@article{Pourchet:1979,
	key = "Pourchet 1979",
	author = "Y. Pourchet",
	title = "Solution du {probl\`eme} {arithm\'etique} du quotient
de {Hadamard} de deux fractions rationnelles",
	journal = CRASP,
	volume = 288,
	year = 1979,
	pages = "1055-1057"}

@article{Necer:1997,
	key = "Necer 1997",
	author = "A. Necer",
	title = "{S\'eries} formelles et produit de {Hadamard}",
	journal = JTNB,
	volume = 9,
	year = 1997,
	pages = "319-335"}

