@article{700787,
title = {Direct limits of Hausdorff 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 = {1972},
pages = {165-169},
mrnumber = {MR0355937},
zbl = {0306.54017},
url = {http://dml.mathdoc.fr/item/700787}
}
Hajek, D. W.; Strecker, G. E. Direct limits of Hausdorff spaces, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books, (1972), pp. 165-169. http://gdmltest.u-ga.fr/item/700787/