@article{GDZPPN002477890,
title = {On Graphical Regular Representations of Direct Products of Groups.},
journal = {Monatshefte f\"ur Mathematik},
volume = {76},
year = {1972},
pages = {168-171},
zbl = {0242.05115},
url = {http://dml.mathdoc.fr/item/GDZPPN002477890}
}
Watkins, M.E.; Nowitz, Lewis A. On Graphical Regular Representations of Direct Products of Groups.. Monatshefte für Mathematik, Tome 76 (1972) pp. 168-171. http://gdmltest.u-ga.fr/item/GDZPPN002477890/