@article{GDZPPN002399865,
title = {Boolean Extensions and Normal Subdirect Powers of Finite Universal Algebras.},
journal = {Mathematische Zeitschrift},
volume = {99},
year = {1967},
pages = {16-25},
zbl = {0153.33901},
url = {http://dml.mathdoc.fr/item/GDZPPN002399865}
}
Gould, Matthew I.; Grätzer, George. Boolean Extensions and Normal Subdirect Powers of Finite Universal Algebras.. Mathematische Zeitschrift, Tome 99 (1967) pp. 16-25. http://gdmltest.u-ga.fr/item/GDZPPN002399865/