@article{BSMF_1956__84__251_0,
     author = {Bott, Raoul},
     title = {An application of the {Morse} theory to the topology of {Lie-groups}},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {251--281},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {84},
     year = {1956},
     doi = {10.24033/bsmf.1472},
     mrnumber = {19,291a},
     zbl = {0073.40001},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/bsmf.1472/}
}