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Ars Combinatoria

  • Research article

On the Closure of Subsets of \({4,5,…, 9}\) which contain \({4}\)

R.C. Mullin1, A.C.H. Ling2, F.E. Bennett3
1 Department of Combinatorics and Optimization University of Waterloo Waterloo, Ontario, Canada
2 R.J.R. Abel School of Mathematics University of New South Wales Kensington N.S.W. 2033 Australia
3Mathematics Department Mount St. Vincent University Halifax, Nova Scotia, Canada
  • Published: 30/04/1997

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Citation
R.C. Mullin, A.C.H. Ling, F.E. Bennett. On the Closure of Subsets of \({4,5,…, 9}\) which contain \({4}\)[J], Ars Combinatoria, Volume 045. 33-76. DOI: .