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@article{MS2_1980__47_166710, author = {T.H. Gulliksen}, title = {On the deviations of a local ring.}, journal = {Mathematica Scandinavica}, pages = {5--20}, publisher = {mathdoc}, volume = {47}, year = {1980}, zbl = {0458.13010}, url = {http://geodesic.mathdoc.fr/item/MS2_1980__47_166710/} }
T.H. Gulliksen. On the deviations of a local ring.. Mathematica Scandinavica, Tome 47 (1980), pp. 5-20. http://geodesic.mathdoc.fr/item/MS2_1980__47_166710/