@article{700634,
title = {Problem},
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 = {[62]-[62]},
mrnumber = {MR0474224},
url = {http://dml.mathdoc.fr/item/700634}
}
Borsuk, K. Problem, dans General topology and its relations to modern analysis and algebra IV, GDML_Books, (1977), p. [62]. http://gdmltest.u-ga.fr/item/700634/