@article{700709,
title = {Ordinal invariants in topology - summary},
booktitle = {General topology and its relations to modern analysis and algebra IV},
series = {GDML\_Books},
publisher = {Society of Czechoslovak Mathematicians and Physicist},
address = {Praha},
year = {1977},
pages = {[197]-206},
mrnumber = {MR0470924},
zbl = {0371.54013},
url = {http://dml.mathdoc.fr/item/700709}
}
Kannan, V. Ordinal invariants in topology - summary, dans General topology and its relations to modern analysis and algebra IV, GDML_Books, (1977), pp. [197]-206. http://gdmltest.u-ga.fr/item/700709/