@article{SF_1975__11_134148,
     author = {E. Hotzel},
     title = {SEMIGROUPS {WITH} {MAXIMAL} {CONDITIONS.}},
     journal = {Semigroup forum},
     pages = {337--362},
     year = {1975},
     volume = {11},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SF_1975__11_134148/}
}