[1] Beineke L. W.:
Topological aspects of complete graphs, Theory of graphs. Proc. Colloq. Tihany, Hungary 1966, Akadémiai Kiadó, Budapest 1968, 19-26.
MR 0232702
[2] Zarankiewicz K.:
On a problem of P. Turán concerning graphs. Fund. Math. 41 (1955), 137-145.
MR 0063641
[3] Guy R. K.: A combinatorial problem. Bull. Malayan Math. Soc. 1 (1960), 68-72.
[4] Harary R., Hill А.:
On the number of crossings in a complete graph. Proc. Edin. Math. Soc., 2 (1962-63), 333-338.
MR 0163299
[5] Blažеk J., Koman M.:
A minimal problem concerning complete plane graphs, Theory of graphs and its applications. Proc. Symp. Smolеnicе 1963, Praquе 1964, 113-117.
MR 0174042
[6] Saaty T. L.:
On thе minimum number of intersections for complete graphs. Proc. Nat. Аcad. Sci., USА 50 (1964), 688-690.
MR 0166772
[7] Moon J. W.:
On the distribution of crossings in random complete graphs. SIАM J. Аppl. Math. 13 (1965), 506-510.
MR 0179106 |
Zbl 0132.40305
[8] Guy R. K., Jеnkyns T., Schaеr J.:
The toroidal crossing number of complete graph. J. Comb. Thеory, 4 (1968), З76-З90. (Thе Univеrsity of Calgary, Rеsеarch papеr 18 (1967), 1-20.)
MR 0220630
[9] Blažеk J., Koman M.:
On an extremal problem concerning graphs. Commеntationеs Math. Univ. Carolinaе 8 (1967), 49-52.
MR 0210620
[10] Koman M.: Zobecnӗní problémů P. Erdöse a P. Turána pro úplné k-grafy a Generalisation of a problem of P. Erdès and P. Turán for complete k-graphs). Dissеrtation, MÚ ČSАV, Praguе 1967.
[11] Blažеk J., Koman M.: Průsečíkové číslo k-chromatických grafû (The crossing number of complete k-chromatic graphs). Sborník Pеd. fak. v Prazе - Matеmatika, to appеar.
[12] Harborth H.: unpublishеd.