@article{bwmeta1.element.bwnjournal-article-fmv64i1p20bwm,
author = {Jerzy P\l onka},
title = {On equational classes of abstract algebras defined by regular equations},
journal = {Fundamenta Mathematicae},
volume = {64},
year = {1969},
pages = {241-247},
zbl = {0187.28702},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv64i1p20bwm}
}
Płonka, Jerzy. On equational classes of abstract algebras defined by regular equations. Fundamenta Mathematicae, Tome 64 (1969) pp. 241-247. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv64i1p20bwm/