[1] I. Z. Bouwer, R. Frucht: Minimal graphs with cyclic group. to appear in A Survey of Combinatorial Theory, Statistical Publishing House, Bombey, 1972.
[3] F. Harary, E. M. Palmer:
The smallest graph whose group is cyclic. Czech. Math. J. 16 (1966) 70-71.
MR 0194353 |
Zbl 0136.44701