@article{10_4064_cm_9_1_43_47,
     author = {L. Szamko{\l}owicz},
     title = {Remarks on the {Cartesian} product of two graphs},
     journal = {Colloquium Mathematicum},
     pages = {43--47},
     year = {1962},
     volume = {9},
     number = {1},
     doi = {10.4064/cm-9-1-43-47},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-9-1-43-47/}
}