On démontre que la compacité locale, qui est une condition suffisante dans certains théorèmes de J.H.C. Whitehead et de D.E. Cohen sur les produits cartésiens, y est aussi nécessaire.
@article{AIF_1968__18_2_281_0, author = {Michael, Ernest}, title = {Local compactness and cartesian products of quotient maps and $K$-spaces}, journal = {Annales de l'Institut Fourier}, volume = {18}, year = {1968}, pages = {281-286}, doi = {10.5802/aif.300}, mrnumber = {39 \#6256}, zbl = {0175.19703}, language = {en}, url = {http://dml.mathdoc.fr/item/AIF_1968__18_2_281_0} }
Michael, Ernest. Local compactness and cartesian products of quotient maps and $K$-spaces. Annales de l'Institut Fourier, Tome 18 (1968) pp. 281-286. doi : 10.5802/aif.300. http://gdmltest.u-ga.fr/item/AIF_1968__18_2_281_0/
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