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@article{MM2_1987__59_155255, author = {F\'elix de Delgado de la Manta}, title = {The semigroup of values of acurve singularity with several branches.}, journal = {Manuscripta mathematica}, pages = {347--374}, publisher = {mathdoc}, volume = {59}, year = {1987}, zbl = {0611.14025}, url = {http://geodesic.mathdoc.fr/item/MM2_1987__59_155255/} }
Félix de Delgado de la Manta. The semigroup of values of acurve singularity with several branches.. Manuscripta mathematica, Tome 59 (1987), pp. 347-374. http://geodesic.mathdoc.fr/item/MM2_1987__59_155255/