@article{MZ_1964__85_170284,
     author = {Elmar Thoma},
     title = {Die unzerlegbaren, positiv-definiten {Klassenfunktionen} der abz\"ahlbar unendlichen, symmetrischen {Gruppe.}},
     journal = {Mathematische Zeitschrift},
     pages = {40--61},
     publisher = {mathdoc},
     volume = {85},
     year = {1964},
     zbl = {0192.12402},
     url = {http://geodesic.mathdoc.fr/item/MZ_1964__85_170284/}
}