@article{MM2_1996__89_3_156175,
     author = {Pedro L.Q. Pergher},
     title = {Involutions {Fixing} and arbitraty product of spheres and a point.},
     journal = {Manuscripta mathematica},
     pages = {471--474},
     publisher = {mathdoc},
     volume = {89},
     number = {3},
     year = {1996},
     zbl = {0860.57030},
     url = {http://geodesic.mathdoc.fr/item/MM2_1996__89_3_156175/}
}