@article{GDZPPN002406543,
title = {Primal Extensions of Universal Algebras.},
journal = {Mathematische Zeitschrift},
volume = {114},
year = {1970},
pages = {53-57},
zbl = {0182.34302},
url = {http://dml.mathdoc.fr/item/GDZPPN002406543}
}
Knoebel, R. Arthur. Primal Extensions of Universal Algebras.. Mathematische Zeitschrift, Tome 114 (1970) pp. 53-57. http://gdmltest.u-ga.fr/item/GDZPPN002406543/