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@article{MOMA_1972__76_177593, author = {M.E. Watkins and Lewis A. Nowitz}, title = {On {Graphical} {Regular} {Representations} of {Direct} {Products} of {Groups.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {168--171}, publisher = {mathdoc}, volume = {76}, year = {1972}, zbl = {0242.05115}, url = {http://geodesic.mathdoc.fr/item/MOMA_1972__76_177593/} }
M.E. Watkins; Lewis A. Nowitz. On Graphical Regular Representations of Direct Products of Groups.. Monatshefte für Mathematik, Tome 76 (1972), pp. 168-171. http://geodesic.mathdoc.fr/item/MOMA_1972__76_177593/