@article{10_37236_7582,
     author = {Bryan R. Gillespie},
     title = {Convexity in ordered matroids and the generalized external order},
     journal = {The electronic journal of combinatorics},
     year = {2020},
     volume = {27},
     number = {3},
     doi = {10.37236/7582},
     zbl = {1446.05012},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/7582/}
}