Geodesic
CANCELLATIVE SEMIGROUPS WITH NON-EMPTY CENTER.
Semigroup forum, Tome 11 (1975), pp. 170-177 
Thomas Nordah1. CANCELLATIVE SEMIGROUPS WITH NON-EMPTY CENTER.. Semigroup forum, Tome 11 (1975), pp. 170-177. http://geodesic.mathdoc.fr/item/SF_1975__11_134139/
@article{SF_1975__11_134139,
     author = {Thomas Nordah1},
     title = {CANCELLATIVE {SEMIGROUPS} {WITH} {NON-EMPTY} {CENTER.}},
     journal = {Semigroup forum},
     pages = {170--177},
     year = {1975},
     volume = {11},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SF_1975__11_134139/}
}
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TI  - CANCELLATIVE SEMIGROUPS WITH NON-EMPTY CENTER.
JO  - Semigroup forum
PY  - 1975
SP  - 170
EP  - 177
VL  - 11
UR  - http://geodesic.mathdoc.fr/item/SF_1975__11_134139/
LA  - en
ID  - SF_1975__11_134139
ER  - 
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%J Semigroup forum
%D 1975
%P 170-177
%V 11
%U http://geodesic.mathdoc.fr/item/SF_1975__11_134139/
%G en
%F SF_1975__11_134139

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