@article{MZ_1978__161_172693,
     author = {Jan Reitermann},
     title = {One {More} {Categorical} {Model} of {Universal} {Algebra.}},
     journal = {Mathematische Zeitschrift},
     pages = {137--146},
     year = {1978},
     volume = {161},
     zbl = {0363.18007},
     url = {http://geodesic.mathdoc.fr/item/MZ_1978__161_172693/}
}