TY  - JOUR
AU  - J.M.S. Simoes Pereira
TI  - On Subgraphs as Matroid Cells.
JO  - Mathematische Zeitschrift
PY  - 1972
SP  - 315
EP  - 322
VL  - 127
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1972__127_171778/
ID  - MZ_1972__127_171778
ER  -