@article{01924512,
title = {Characterization of protomodular varieties of universal algebras.},
journal = {Theory and Applications of Categories [electronic only]},
volume = {11},
year = {2003},
pages = {143-147},
zbl = {1021.08003},
language = {en},
url = {http://dml.mathdoc.fr/item/01924512}
}
Bourn, Dominique; Janelidze, George. Characterization of protomodular varieties of universal algebras.. Theory and Applications of Categories [electronic only], Tome 11 (2003) pp. 143-147. http://gdmltest.u-ga.fr/item/01924512/