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@article{CM_1956-1958__13__1_0, author = {Snapper, E.}, title = {Higher-dimensional field theory. {I.} {The} integral closure of a module}, journal = {Compositio Mathematica}, pages = {1--15}, publisher = {Kraus Reprint}, volume = {13}, year = {1956-1958}, mrnumber = {83172}, zbl = {0072.02901}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1956-1958__13__1_0/} }
Snapper, E. Higher-dimensional field theory. I. The integral closure of a module. Compositio Mathematica, Tome 13 (1956-1958), pp. 1-15. http://geodesic.mathdoc.fr/item/CM_1956-1958__13__1_0/