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Griggs, Terry S.; McCourt, Thomas A. and Širáň, Jozef
(2020).
DOI: https://doi.org/10.26493/1855-3974.1959.9c7
Abstract
It is proved that for any prescribed orientation of the triples of either a Steiner triple system or a Latin square of odd order, there exists an embedding in an orientable surface with the triples forming triangular faces and one extra large face.