@article{MAN_1965__162_161331, author = {E. Thoma}, title = {Invariante positiv definite {Klassenfunktionen} und ergodische {Ma{\ss}e.}}, journal = {Mathematische Annalen}, pages = {172--189}, publisher = {mathdoc}, volume = {162}, year = {1965}, zbl = {0151.18801}, url = {http://geodesic.mathdoc.fr/item/MAN_1965__162_161331/} }