@article{SF_1995__51_1_135404, author = {J. Schmid and W. Thurnherr}, title = {Maximal (semi-)lattices of fractions and injective hulls.}, journal = {Semigroup forum}, pages = {105--116}, publisher = {mathdoc}, volume = {51}, number = {1}, year = {1995}, zbl = {0824.06003}, url = {http://geodesic.mathdoc.fr/item/SF_1995__51_1_135404/} }