Michel Las Vergnas. Bases in oriented matroids. Journal of Combinatorial Theory, Series A, 25(3):283-289, 1978. [doi]
@article{Vergnas78,
title = {Bases in oriented matroids},
author = {Michel Las Vergnas},
year = {1978},
doi = {10.1016/0095-8956(78)90003-5},
url = {http://dx.doi.org/10.1016/0095-8956(78)90003-5},
researchr = {https://researchr.org/publication/Vergnas78},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {25},
number = {3},
pages = {283-289},
}