[1] P. Erdös:
On extremal problems of graphs and generalized graphs. Israel J. Math. 2 (1964), 183-190.
MR 0183654
[2] P. Erdös:
A problem of independent $г$-tuples. Ann. Univ. Scient. Budapest, Ser. Math. 8 (1965), 93-95.
MR 0260599
[3] G. Katona: On a problem concerning the generalized graphs. Colloquium on graph theory, Tihany, Hungary, September 1966. Abstracts of talks. Budapest 1966.
[4] R. C. Read:
On the number of self-complementary grapћs and diagraphs. J. London Math. Soc. 38 (1963), 99-104.
MR 0146819
[7] B. Zelinka:
Rozklad grafu na isomorfní podgrafy. Čas. pӗst. mat. 90 (1965), 147-152.
MR 0193031