@article{PMIHES_1990__71__33_0,
     author = {Patrick Eberlein and Jens Heber},
     title = {A differential geometric characterization of symmetric spaces of higher rank},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {33--44},
     year = {1990},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {71},
     doi = {10.1007/BF02699876},
     mrnumber = {1079642},
     zbl = {0722.53041},
     language = {en},
     url = {https://pmihes.centre-mersenne.org/articles/10.1007/BF02699876/}
}