@article{MAN_1990__287_1_164692,
     author = {Yves Felix and Stephen Halperin},
     title = {Loop space homology of spaces of {LS} category one and two.},
     journal = {Mathematische Annalen},
     pages = {377--386},
     publisher = {mathdoc},
     volume = {287},
     number = {1},
     year = {1990},
     zbl = {0687.55004},
     url = {http://geodesic.mathdoc.fr/item/MAN_1990__287_1_164692/}
}