@article{02100228,
title = {Completeness criteria and invariants for operation and transformation algebras.},
journal = {Beitr\"age zur Algebra und Geometrie},
volume = {45},
year = {2004},
pages = {369-387},
zbl = {1078.08001},
language = {en},
url = {http://dml.mathdoc.fr/item/02100228}
}
Jakubíková-Studenovská, Danica; Mašulović, Dragan; Pöschel, Reinhard. Completeness criteria and invariants for operation and transformation algebras.. Beiträge zur Algebra und Geometrie, Tome 45 (2004) pp. 369-387. http://gdmltest.u-ga.fr/item/02100228/