@article{AIF_2019__69_7_2921_0,
     author = {Grove, Karsten and Wilking, Burkhard and Yeager, Joseph},
     title = {Almost non-negative curvature and rational ellipticity in cohomogeneity two},
     journal = {Annales de l'Institut Fourier},
     pages = {2921--2939},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {69},
     number = {7},
     year = {2019},
     doi = {10.5802/aif.3340},
     language = {en},
     url = {https://aif.centre-mersenne.org/articles/10.5802/aif.3340/}
}