@article{MSH_1975__51__43_0,
author = {Thomassen, Carsten},
title = {Transversals of circuits in the lexicographic product of directed graphs},
journal = {Math\'ematiques et Sciences humaines},
volume = {52},
year = {1975},
pages = {43-45},
mrnumber = {392659},
zbl = {0315.05109},
language = {en},
url = {http://dml.mathdoc.fr/item/MSH_1975__51__43_0}
}
Thomassen, Carsten. Transversals of circuits in the lexicographic product of directed graphs. Mathématiques et Sciences humaines, Tome 52 (1975) pp. 43-45. http://gdmltest.u-ga.fr/item/MSH_1975__51__43_0/
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