@article{IM_1976__35_142399,
     author = {J.F. Adams},
     title = {Maps between {Classifying} {Spaces.}},
     journal = {Inventiones mathematicae},
     pages = {1--42},
     publisher = {mathdoc},
     volume = {35},
     year = {1976},
     url = {http://geodesic.mathdoc.fr/item/IM_1976__35_142399/}
}