@article{700676,
title = {Relative connectednesses and disconnectednesses in topological categories},
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 = {367-370},
mrnumber = {MR0478107},
zbl = {0371.54039},
url = {http://dml.mathdoc.fr/item/700676}
}
Preuß, Gerhard. Relative connectednesses and disconnectednesses in topological categories, dans General topology and its relations to modern analysis and algebra IV, GDML_Books, (1977), pp. 367-370. http://gdmltest.u-ga.fr/item/700676/