@article{700789,
title = {Die Fortsetzung stetiger Homomorphismen von $\delta $-Halbgruppen},
booktitle = {General Topology and its Relations to Modern Analysis and Algebra},
series = {GDML\_Books},
publisher = {Academia Publishing House of the Czechoslovak Academy of Sciences},
address = {Praha},
year = {1972},
pages = {401-404},
mrnumber = {MR0369603},
zbl = {0312.20038},
url = {http://dml.mathdoc.fr/item/700789}
}
Skula, L. Die Fortsetzung stetiger Homomorphismen von $\delta $-Halbgruppen, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books, (1972), pp. 401-404. http://gdmltest.u-ga.fr/item/700789/