TY  - JOUR
AU  - Yan Yang
AU  - Yanpei Liu
TI  - Flexibility of embeddings of bouquets of circles on the projective plane and Klein bottle
JO  - The electronic journal of combinatorics
PY  - 2007
VL  - 14
UR  - http://geodesic.mathdoc.fr/articles/10.37236/998/
DO  - 10.37236/998
ID  - 10_37236_998
ER  -