@article{IM_1975__30_142348,
     author = {F. Clauwens},
     title = {L-Theory and the {Arf} {Invariant.}},
     journal = {Inventiones mathematicae},
     pages = {197--206},
     publisher = {mathdoc},
     volume = {30},
     year = {1975},
     zbl = {0321.18005},
     url = {http://geodesic.mathdoc.fr/item/IM_1975__30_142348/}
}