@article{bwmeta1.element.desklight-0677c3a6-6a9e-47b8-9c77-62599c1fb8a2,
author = {J. P\l onka},
title = {On the number of polynomials of a universal algebra, IV},
journal = {Colloquium Mathematicae},
volume = {25},
year = {1972},
pages = {11-14},
zbl = {0241.08008},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-0677c3a6-6a9e-47b8-9c77-62599c1fb8a2}
}
J. Płonka. On the number of polynomials of a universal algebra, IV. Colloquium Mathematicae, Tome 25 (1972) pp. 11-14. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-0677c3a6-6a9e-47b8-9c77-62599c1fb8a2/