@article{1240435759, author = {BEHZAD, Mehdi}, title = {Minimal 2-regular digraphs with given girth}, journal = {J. Math. Soc. Japan}, volume = {25}, number = {4}, year = {1973}, pages = { 1-6}, language = {en}, url = {http://dml.mathdoc.fr/item/1240435759} }
BEHZAD, Mehdi. Minimal 2-regular digraphs with given girth. J. Math. Soc. Japan, Tome 25 (1973) no. 4, pp. 1-6. http://gdmltest.u-ga.fr/item/1240435759/