@article{bwmeta1.element.bwnjournal-article-fmv127i1p1bwm,
author = {Saroop Kaul},
title = {Continuous and discrete flows and the property of $ch0^$\pm$$
},
journal = {Fundamenta Mathematicae},
volume = {128},
year = {1987},
pages = {1-7},
zbl = {0613.58043},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv127i1p1bwm}
}
Kaul, Saroop. Continuous and discrete flows and the property of $ch0^±$
. Fundamenta Mathematicae, Tome 128 (1987) pp. 1-7. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv127i1p1bwm/