Undecidability of first order sentences in the theory of free groupoids
Jaśkowski, S.
Fundamenta Mathematicae, Tome 43 (1956), p. 36-45 / Harvested from The Polish Digital Mathematics Library
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Publié le : 1956-01-01
EUDML-ID : urn:eudml:doc:213397 
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     author = {S. Ja\'skowski},
     title = {Undecidability of first order sentences in the theory of free groupoids},
     journal = {Fundamenta Mathematicae},
     volume = {43},
     year = {1956},
     pages = {36-45},
     zbl = {0075.00601},
     language = {en},
     url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv43i1p36bwm}
}

Jaśkowski, S. Undecidability of first order sentences in the theory of free groupoids. Fundamenta Mathematicae, Tome 43 (1956) pp. 36-45. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv43i1p36bwm/