@article{bwmeta1.element.desklight-838be05f-01de-4379-889b-632e1e5fb430,
author = {Don Pigozzi},
title = {The join of equational theories},
journal = {Colloquium Mathematicae},
volume = {31},
year = {1974},
pages = {15-25},
zbl = {0319.02037},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-838be05f-01de-4379-889b-632e1e5fb430}
}
Don Pigozzi. The join of equational theories. Colloquium Mathematicae, Tome 31 (1974) pp. 15-25. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-838be05f-01de-4379-889b-632e1e5fb430/