@article{1102623464,
author = {Brick, Stephen G.},
title = {Dehn functions of groups and extensions of complexes.},
journal = {Pacific J. Math.},
volume = {161},
number = {2},
year = {1993},
pages = { 115-127},
language = {en},
url = {http://dml.mathdoc.fr/item/1102623464}
}
Brick, Stephen G. Dehn functions of groups and extensions of complexes.. Pacific J. Math., Tome 161 (1993) no. 2, pp. 115-127. http://gdmltest.u-ga.fr/item/1102623464/