@article{3145,
author = {Cordovil, Ra\'ul and Guedes de Oliveira, A. and Moreira, M. Leonor},
title = {Parallel projection of matroid spheres},
journal = {Portugaliae mathematica},
volume = {45},
year = {1988},
pages = {337-346},
zbl = {0676.05030},
mrnumber = {0982902},
language = {en},
url = {http://dml.mathdoc.fr/item/3145}
}
Cordovil, Raúl; Guedes de Oliveira, A.; Moreira, M. Leonor. Parallel projection of matroid spheres. Portugaliae mathematica, Tome 45 (1988) pp. 337-346. http://gdmltest.u-ga.fr/item/3145/