@article{JAC_2013__37_2_a0,
     author = {Blok, Rieuwert J. and Hoffman, Corneliu G.},
     title = {1-cohomology of simplicial amalgams of groups},
     journal = {Journal of Algebraic Combinatorics},
     pages = {381--400},
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2013__37_2_a0/}
}