@article{1183733436,
author = {Ackermann, W.},
title = {Review: S. Jaskowski, Undecidability of First Order Sentences in the Theory of Free Groupoids},
journal = {J. Symbolic Logic},
volume = {23},
number = {1},
year = {1958},
language = {en},
url = {http://dml.mathdoc.fr/item/1183733436}
}
Ackermann, W. Review: S. Jaskowski, Undecidability of First Order Sentences in the Theory of Free Groupoids. J. Symbolic Logic, Tome 23 (1958) no. 1, . http://gdmltest.u-ga.fr/item/1183733436/