@article{GDZPPN002059533,
title = {Homotopy-associative H-spaces which are Sphere Bundles over Spheres.},
journal = {Commentarii mathematici Helvetici},
volume = {44},
year = {1969},
pages = {308-309},
zbl = {0176.21201},
url = {http://dml.mathdoc.fr/item/GDZPPN002059533}
}
Sigrist, Francois; Douglas, Roy R. Homotopy-associative H-spaces which are Sphere Bundles over Spheres.. Commentarii mathematici Helvetici, Tome 44 (1969) pp. 308-309. http://gdmltest.u-ga.fr/item/GDZPPN002059533/