TY  - JOUR
AU  - S. Wilson
AU  - A. Breda d'Azevedo
TI  - Non-orientable Maps and Hypermaps with Few Faces
JO  - Journal for geometry and graphics
PY  - 2003
SP  - 173
EP  - 19
VL  - 7
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2003_7_2_JGG_2003_7_2_a4/
ID  - JGG_2003_7_2_JGG_2003_7_2_a4
ER  -