Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1979_9_Nonea_20, author = {Acketa Dragan}, title = {On the construction of all matroids on 7 elements at most}, journal = {Novi Sad Journal of Mathematics}, pages = {133-152}, publisher = {mathdoc}, volume = {9}, year = {1979}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1979_9_Nonea_20/} }
Acketa Dragan. On the construction of all matroids on 7 elements at most. Novi Sad Journal of Mathematics, Tome 9 (1979). http://geodesic.mathdoc.fr/item/NSJOM_1979_9_Nonea_20/