@article{700924,
     title = {On a category of 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 = {1962},
     pages = {226-229},
     mrnumber = {MR0187190},
     zbl = {0195.40603},
     url = {http://dml.mathdoc.fr/item/700924}
}

Katětov, M. On a category of spaces, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books,  (1962), pp. 226-229. http://gdmltest.u-ga.fr/item/700924/