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@article{MZ_1986__193_173771, author = {Frank D. Grosshans}, title = {Hilbert's {Fourteenth} {Problem} for {Non-Reductive} {Groups.}}, journal = {Mathematische Zeitschrift}, pages = {95--104}, publisher = {mathdoc}, volume = {193}, year = {1986}, zbl = {0579.14015}, url = {http://geodesic.mathdoc.fr/item/MZ_1986__193_173771/} }
Frank D. Grosshans. Hilbert's Fourteenth Problem for Non-Reductive Groups.. Mathematische Zeitschrift, Tome 193 (1986), pp. 95-104. http://geodesic.mathdoc.fr/item/MZ_1986__193_173771/