@article{01332345, title = {Clones in topology and algebra.}, journal = {Acta Mathematica Universitatis Comenianae. New Series}, volume = {66}, year = {1997}, pages = {243-260}, zbl = {0970.08004}, language = {en}, url = {http://dml.mathdoc.fr/item/01332345} }
Sichler, J.; Trnková, V. Clones in topology and algebra.. Acta Mathematica Universitatis Comenianae. New Series, Tome 66 (1997) pp. 243-260. http://gdmltest.u-ga.fr/item/01332345/