@article{GDZPPN002415933,
title = {Mayer-Vietoriss Sequences for HNN-Groups and Homological Duality.},
journal = {Mathematische Zeitschrift},
volume = {142},
year = {1975},
pages = {123-130},
zbl = {0407.20040},
url = {http://dml.mathdoc.fr/item/GDZPPN002415933}
}
Bieri, Robert. Mayer-Vietoriss Sequences for HNN-Groups and Homological Duality.. Mathematische Zeitschrift, Tome 142 (1975) pp. 123-130. http://gdmltest.u-ga.fr/item/GDZPPN002415933/