@article{IM_1983__73_143043,
     author = {R. Lee and J. Schwermer},
     title = {The {Lefschetz} {Number} of an {Involution} on the {Space} of {Harmonic} {Cusp} {Forms} of {SL3.}},
     journal = {Inventiones mathematicae},
     pages = {189--240},
     publisher = {mathdoc},
     volume = {73},
     year = {1983},
     zbl = {0525.10014},
     url = {http://geodesic.mathdoc.fr/item/IM_1983__73_143043/}
}