James Lee Hafner
Journal of Number Theory
It is shown how a wide variety of transversal theorems can be given a common proof. The proof depends on a certain matrix being totally unimodular, and it is shown that total unimodularity is needed for the theorem to hold. © 1976.
James Lee Hafner
Journal of Number Theory
Ronen Feldman, Martin Charles Golumbic
Ann. Math. Artif. Intell.
Fausto Bernardini, Holly Rushmeier
Proceedings of SPIE - The International Society for Optical Engineering
Laxmi Parida, Pier F. Palamara, et al.
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