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@article{PIM_1983_N_S_34_48_a0, author = {Jin Akiyama and Frank Harary}, title = {The {Regulation} {Number} of a {Graph}}, journal = {Publications de l'Institut Math\'ematique}, pages = {3 }, publisher = {mathdoc}, volume = {_N_S_34}, number = {48}, year = {1983}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PIM_1983_N_S_34_48_a0/} }
Jin Akiyama; Frank Harary. The Regulation Number of a Graph. Publications de l'Institut Mathématique, _N_S_34 (1983) no. 48, p. 3 . http://geodesic.mathdoc.fr/item/PIM_1983_N_S_34_48_a0/