@article{CMUC_1968__9_4_a11,
     author = {Sichler, Ji\v{r}{\'\i}},
     title = {Concerning minimal primitive classes of algebras containing any category of algebras as a full subcategory},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {627--635},
     publisher = {mathdoc},
     volume = {09},
     number = {4},
     year = {1968},
     mrnumber = {0252305},
     zbl = {0204.33301},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1968__9_4_a11/}
}