@article{CMUC_1981_22_3_a1,
     author = {Poljak, Svatopluk and Pultr, Ale\v{s}},
     title = {Representing graphs by means of strong and weak products},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {449--466},
     year = {1981},
     volume = {22},
     number = {3},
     mrnumber = {633576},
     zbl = {0476.05074},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1981_22_3_a1/}
}