@article{106599, author = {I. Dvo\v r\'akov\'a-Ruli\'cov\'a}, title = {Perfect codes in regular graphs}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {029}, year = {1988}, pages = {79-83}, zbl = {0691.05054}, mrnumber = {937551}, language = {en}, url = {http://dml.mathdoc.fr/item/106599} }
Dvořáková-Rulićová, I. Perfect codes in regular graphs. Commentationes Mathematicae Universitatis Carolinae, Tome 029 (1988) pp. 79-83. http://gdmltest.u-ga.fr/item/106599/
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Perfect codes in general graphs, submitted.