Contributions of rational homotopy theory to global problems in geometry
Publications Mathématiques de l'IHÉS, Tome 56 (1982), pp. 171-177 
@article{PMIHES_1982__56__171_0,
     author = {Grove, Karsten and Halperin, Stephen},
     title = {Contributions of rational homotopy theory to global problems in geometry},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {171--177},
     year = {1982},
     publisher = {Institut des Hautes Etudes Scientifiques},
     volume = {56},
     mrnumber = {686045},
     zbl = {0508.55013},
     language = {en},
     url = {https://www.numdam.org/item/PMIHES_1982__56__171_0/}
}
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Grove, Karsten; Halperin, Stephen. Contributions of rational homotopy theory to global problems in geometry. Publications Mathématiques de l'IHÉS, Tome 56 (1982), pp. 171-177. https://www.numdam.org/item/PMIHES_1982__56__171_0/

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