@article{CMH_1965__40_139303,
     author = {Samuel Eilenberg and John C. Moore},
     title = {Homology and fibrations. {I.} {Coalgebras,} cotensor product and its derived functors.},
     journal = {Commentarii mathematici Helvetici},
     pages = {199--236},
     publisher = {mathdoc},
     volume = {40},
     year = {1965},
     zbl = {0148.43203},
     url = {http://geodesic.mathdoc.fr/item/CMH_1965__40_139303/}
}