@article{GDZPPN002031124, title = {Invariants of a class of transformation groups II.}, journal = {Aequationes mathematicae}, volume = {18}, year = {1978}, pages = {292-294}, zbl = {0393.39006}, url = {http://dml.mathdoc.fr/item/GDZPPN002031124} }
Schwerdtfeger, H. Invariants of a class of transformation groups II.. Aequationes mathematicae, Tome 18 (1978) pp. 292-294. http://gdmltest.u-ga.fr/item/GDZPPN002031124/