@article{AIF_2009__59_2_563_0,
     author = {Fang, Fuquan and Li, Xiang-Dong and Zhang, Zhenlei},
     title = {Two generalizations of {Cheeger-Gromoll} splitting theorem via {Bakry-Emery} {Ricci} curvature},
     journal = {Annales de l'Institut Fourier},
     pages = {563--573},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {59},
     number = {2},
     year = {2009},
     doi = {10.5802/aif.2440},
     mrnumber = {2521428},
     zbl = {1166.53023},
     language = {en},
     url = {https://aif.centre-mersenne.org/articles/10.5802/aif.2440/}
}