@article{GDZPPN002037572,
title = {A Hahn-Banach theorem for separation of semigroups and its application.},
journal = {Aequationes mathematicae},
volume = {38},
year = {1989},
pages = {141-161},
zbl = {0691.46002},
url = {http://dml.mathdoc.fr/item/GDZPPN002037572}
}
Páles, Zsolt. A Hahn-Banach theorem for separation of semigroups and its application.. Aequationes mathematicae, Tome 38 (1989) pp. 141-161. http://gdmltest.u-ga.fr/item/GDZPPN002037572/