@article{PIM_1996_N_S_59_73_a2,
     author = {P. Shiu},
     title = {Involutions {Associated} {With} {Sums} of two {Squares}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {18 },
     publisher = {mathdoc},
     volume = {_N_S_59},
     number = {73},
     year = {1996},
     zbl = {0884.11008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1996_N_S_59_73_a2/}
}