%0 Journal Article %A Michael, Ernest %T Bi-quotient maps and cartesian products of quotient maps %J Annales de l'Institut Fourier %D 1968 %P 287-302 %V 18 %N 2 %I Institut Fourier %C Grenoble %U https://aif.centre-mersenne.org/articles/10.5802/aif.301/ %R 10.5802/aif.301 %G en %F AIF_1968__18_2_287_0