@article{MS2_1957__5_165665,
     author = {AUREL WINTNER},
     title = {On the comparison theorem of {Kneser-Hille}},
     journal = {Mathematica Scandinavica},
     pages = {255--260},
     publisher = {mathdoc},
     volume = {5},
     year = {1957},
     zbl = {0080.29801},
     url = {http://geodesic.mathdoc.fr/item/MS2_1957__5_165665/}
}