Let \(B\) be an \(m \times n\) array in which each symbol appears at most \(k\) times. We show that if \(k \leq \frac{n(n-1)}{8(m+n-2)} + 1\) then \(B\) has a transversal.
Citation
Hamid-Reza Fanai. A Note on Transversals[J], Ars Combinatoria, Volume 091. 83-85. .