TY  - JOUR
AU  - Ho, Pak
TI  - A proof of the crossing number of $K_{3,n}$ in a surface
JO  - Discussiones Mathematicae. Graph Theory
PY  - 2007
SP  - 549
EP  - 551
VL  - 27
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DMGT_2007_27_3_a10/
LA  - en
ID  - DMGT_2007_27_3_a10
ER  -