TY  - JOUR
AU  - Laurent Bartholdi
AU  - Dzmitry Dudko
TI  - Algorithmic aspects of branched coverings I/V. Van Kampen’s theorem for bisets
JO  - Groups, geometry, and dynamics
PY  - 2018
SP  - 121
EP  - 172
VL  - 12
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4171/ggd/441/
DO  - 10.4171/ggd/441
ID  - 10_4171_ggd_441
ER  -