On a Packing and Covering Problem
Tài liệu tham khảo
Erdos, 1963, On a limit theorem in combinatorial analysis, Publ. Math. Debrecen, 10, 10, 10.5486/PMD.1963.10.1-4.02
Erdos, 1974
Feller, 1974
Katona, 1964, On a graph-problem of Turin, Mat. Lapok, 15, 228
Rodl, 1982, Note on packing, covering and Turin numbers, 263