@article{bwmeta1.element.bwnjournal-article-fmv59i1p1bwm,
author = {W. Comfort and Stelios Negrepontis},
title = {Extending continuous functions on X x Y to subsets of $\beta$X x $\beta$Y},
journal = {Fundamenta Mathematicae},
volume = {58},
year = {1966},
pages = {1-12},
zbl = {0185.26304},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv59i1p1bwm}
}
Comfort, W.; Negrepontis, Stelios. Extending continuous functions on X x Y to subsets of βX x βY. Fundamenta Mathematicae, Tome 58 (1966) pp. 1-12. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv59i1p1bwm/