@article{MZ_1991__206_1_174223,
     author = {Yukio Otsu},
     title = {On manifolds of positive {Ricci} curvature with large diameter.},
     journal = {Mathematische Zeitschrift},
     pages = {255--264},
     publisher = {mathdoc},
     volume = {206},
     number = {1},
     year = {1991},
     zbl = {0697.53042},
     url = {http://geodesic.mathdoc.fr/item/MZ_1991__206_1_174223/}
}