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@article{MS2_1985__56_166930, author = {O.A. Laudal and A. Sletsjoe}, title = {Betti numbers of monoid algebras. {Applications} to 2-dimensional torus imbeddings.}, journal = {Mathematica Scandinavica}, pages = {145--162}, publisher = {mathdoc}, volume = {56}, year = {1985}, zbl = {0594.13010}, url = {http://geodesic.mathdoc.fr/item/MS2_1985__56_166930/} }
O.A. Laudal; A. Sletsjoe. Betti numbers of monoid algebras. Applications to 2-dimensional torus imbeddings.. Mathematica Scandinavica, Tome 56 (1985), pp. 145-162. http://geodesic.mathdoc.fr/item/MS2_1985__56_166930/