@article{MZ_1996__222_3_174876,
     author = {Younggi Choi},
     title = {Homology of the double and triple loop space of {SO} (n).},
     journal = {Mathematische Zeitschrift},
     pages = {59--80},
     year = {1996},
     volume = {222},
     number = {3},
     zbl = {0845.55014},
     url = {http://geodesic.mathdoc.fr/item/MZ_1996__222_3_174876/}
}