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@article{MV_1966_18_2_a4, author = {G. \v{C}upona}, title = {On some primitive classes of universal algebras}, journal = {Matemati\v{c}ki vesnik}, pages = {105 }, publisher = {mathdoc}, volume = {18}, number = {2}, year = {1966}, url = {http://geodesic.mathdoc.fr/item/MV_1966_18_2_a4/} }
G. Čupona. On some primitive classes of universal algebras. Matematički vesnik, Tome 18 (1966) no. 2, p. 105 . http://geodesic.mathdoc.fr/item/MV_1966_18_2_a4/