The crossing number of K5,n

Journal of Combinatorial Theory - Tập 9 - Trang 315-323 - 1970
Daniel J. Kleitman1,2
1The University of Calgary, Alberta, Canada
2Massachusetts Institute of Technology, Cambridge, Massachusetts, USA

Tài liệu tham khảo

Guy, 1969, The Decline and Fall of Zarankiewicz's Theorem Zarankiewicz, 1954, On a Problem of P. Turán concerning Graphs, Fund. Math., 41, 137, 10.4064/fm-41-1-137-145