On product representations of powers, I
European Journal of Combinatorics
C6-free bipartite graphs and product representation of squares
Proceedings of an international symposium on Graphs and combinatorics
On sets of integers, none of which divides the product of k others
European Journal of Combinatorics
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Erdos estimated the maximal number of integers selected from {1,2,...,N}, so that none of them divides the product of two others. In this paper, Erdos' problem is extended to sets of integers such that none of them divides the product of k others. The proofs use combinatorial results.