@article{GDZPPN001247395,
title = {Baer extensions of rings and Stone extensions of semigroups.},
journal = {Semigroup forum},
volume = {2},
year = {1971},
pages = {55-63},
zbl = {0225.20041},
url = {http://dml.mathdoc.fr/item/GDZPPN001247395}
}
Keimel, K. Baer extensions of rings and Stone extensions of semigroups.. Semigroup forum, Tome 2 (1971) pp. 55-63. http://gdmltest.u-ga.fr/item/GDZPPN001247395/