Geodesic
A universal semigroup
Algebra i logika, Tome 9 (1970) no. 6, pp. 731-740 
D. J. Collins. A universal semigroup. Algebra i logika, Tome 9 (1970) no. 6, pp. 731-740. http://geodesic.mathdoc.fr/item/AL_1970_9_6_a10/
@article{AL_1970_9_6_a10,
     author = {D. J. Collins},
     title = {A universal semigroup},
     journal = {Algebra i logika},
     pages = {731--740},
     year = {1970},
     volume = {9},
     number = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AL_1970_9_6_a10/}
}
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IS  - 6
UR  - http://geodesic.mathdoc.fr/item/AL_1970_9_6_a10/
LA  - en
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