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@article{PORMA_1991__48_1_115744, author = {McCasland, R.L. and Moore, Marion E.}, title = {On unimodular complements}, journal = {Portugaliae mathematica}, pages = {103--112}, publisher = {mathdoc}, volume = {48}, number = {1}, year = {1991}, mrnumber = {1107262}, zbl = {0725.13005}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1991__48_1_115744/} }
McCasland, R.L.; Moore, Marion E. On unimodular complements. Portugaliae mathematica, Tome 48 (1991) no. 1, pp. 103-112. http://geodesic.mathdoc.fr/item/PORMA_1991__48_1_115744/