@article{700855,
     title = {Remarks on product spaces},
     booktitle = {General Topology and its Relations to Modern Analysis and Algebra},
     series = {GDML\_Books},
     publisher = {Academia Publishing House of the Czechoslovak Academy of Sciences},
     address = {Praha},
     year = {1967},
     pages = {43-44},
     zbl = {0167.20902},
     url = {http://dml.mathdoc.fr/item/700855}
}

Atsuji, M. Remarks on product spaces, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books,  (1967), pp. 43-44. http://gdmltest.u-ga.fr/item/700855/