@article{700747,
     title = {On internal characterizations of complete regularity and Wallman-type compactifications},
     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 = {1972},
     pages = {171-172},
     zbl = {0308.54017},
     url = {http://dml.mathdoc.fr/item/700747}
}

Hamburger, P. On internal characterizations of complete regularity and Wallman-type compactifications, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books,  (1972), pp. 171-172. http://gdmltest.u-ga.fr/item/700747/