@article{1183731182,
author = {Lyndon, R. C.},
title = {Review: Alfred Horn, On Sentences Which are True of Direct Unions of Algebras},
journal = {J. Symbolic Logic},
volume = {16},
number = {1},
year = {1951},
pages = { 216-217},
language = {en},
url = {http://dml.mathdoc.fr/item/1183731182}
}
Lyndon, R. C. Review: Alfred Horn, On Sentences Which are True of Direct Unions of Algebras. J. Symbolic Logic, Tome 16 (1951) no. 1, pp. 216-217. http://gdmltest.u-ga.fr/item/1183731182/