@article{MZ_1991__208_3_174339,
     author = {Mark Mahowald and William Richter},
     title = {?SU (3) splits after four suspensions, but not two.},
     journal = {Mathematische Zeitschrift},
     pages = {597--616},
     publisher = {mathdoc},
     volume = {208},
     number = {3},
     year = {1991},
     zbl = {0754.55005},
     url = {http://geodesic.mathdoc.fr/item/MZ_1991__208_3_174339/}
}