@article{GDZPPN002358417,
title = {Betti numbers of monoid algebras. Applications to 2-dimensional torus imbeddings.},
journal = {Mathematica Scandinavica},
volume = {56},
year = {1985},
pages = {145-162},
zbl = {0594.13010},
url = {http://dml.mathdoc.fr/item/GDZPPN002358417}
}
Laudal, O.A.; Sletsjoe, A. Betti numbers of monoid algebras. Applications to 2-dimensional torus imbeddings.. Mathematica Scandinavica, Tome 56 (1985) pp. 145-162. http://gdmltest.u-ga.fr/item/GDZPPN002358417/