%0 Journal Article %T Two generalizations of Cheeger-Gromoll splitting theorem via Bakry-Emery Ricci curvature %J Annales de l'Institut Fourier %D 2009 %P 563-573 %V 59 %N 2 %I Association des Annales de l’institut Fourier %U https://doi.org/10.5802/aif.2440 %R 10.5802/aif.2440 %G en %F AIF_2009__59_2_563_0