@article{IM_1967__3_141874,
     author = {H. LEPTIN},
     title = {Verallgemeinerte {L1-Algebren} und projektive {Darstellungen} lokal kompakter {Gruppen.} {I.}},
     journal = {Inventiones mathematicae},
     pages = {257--281},
     year = {1967},
     volume = {3},
     zbl = {0179.18303},
     url = {http://geodesic.mathdoc.fr/item/IM_1967__3_141874/}
}