no. 2
Bi-quotient maps and cartesian products of quotient maps
Annales de l'Institut Fourier, Tome 18 (1968) no. 2, pp. 287-302.

Dans ce travail, on introduit une nouvelle classe d’applications, qui semble avoir beaucoup de propriétés désirables. En particulier, cette classe permet de donner une caractérisation des applications dont le produit cartésien avec une application quotient quelconque est toujours une application quotient.

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     title = {Bi-quotient maps and cartesian products of quotient maps},
     journal = {Annales de l'Institut Fourier},
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Michael, Ernest. Bi-quotient maps and cartesian products of quotient maps. Annales de l'Institut Fourier, Tome 18 (1968) no. 2, pp. 287-302. doi : 10.5802/aif.301. http://www.numdam.org/articles/10.5802/aif.301/

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