TY  - JOUR
AU  - Valery A. Liskovets
TI  - Enumerative formulae for unrooted planar maps: a pattern
JO  - The electronic journal of combinatorics
PY  - 2004
VL  - 11
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.37236/1841/
DO  - 10.37236/1841
ID  - 10_37236_1841
ER  -