@article{CMUC_1969__10_1_a3,
     author = {Trnkov\'a, V\v{e}ra and Goral\v{c}{\'\i}k, Pavel},
     title = {On products in generalized algebraic categories},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {49--89},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {1969},
     mrnumber = {0246932},
     zbl = {0196.03203},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1969__10_1_a3/}
}