@article{AIF_1968__18_2_287_0,
     author = {Michael, Ernest},
     title = {Bi-quotient maps and cartesian products of quotient maps},
     journal = {Annales de l'Institut Fourier},
     pages = {287--302},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {18},
     number = {2},
     year = {1968},
     doi = {10.5802/aif.301},
     zbl = {0175.19704},
     mrnumber = {39 #6277},
     language = {en},
     url = {https://aif.centre-mersenne.org/articles/10.5802/aif.301/}
}