@article{GDZPPN002067749,
title = {Geometric actions of surface groups on ...-trees.},
journal = {Commentarii mathematici Helvetici},
volume = {65},
year = {1990},
pages = {519-533},
zbl = {0724.57008},
url = {http://dml.mathdoc.fr/item/GDZPPN002067749}
}
Skora, Richard K. Geometric actions of surface groups on ...-trees.. Commentarii mathematici Helvetici, Tome 65 (1990) pp. 519-533. http://gdmltest.u-ga.fr/item/GDZPPN002067749/