@article{bwmeta1.element.bwnjournal-article-cmv19i1n3,
author = {J. P\l onka},
title = {On the number of independent elements in finite abstract algebras with two binary symmetrical operations},
journal = {Colloquium Mathematicae},
volume = {19},
year = {1968},
pages = {9-21},
zbl = {0156.25702},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-cmv19i1n3}
}
J. Płonka. On the number of independent elements in finite abstract algebras with two binary symmetrical operations. Colloquium Mathematicae, Tome 19 (1968) pp. 9-21. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-cmv19i1n3/