%0 Journal Article %A Innami, Nobuhiro %T Splitting theorems of riemannian manifolds %J Compositio Mathematica %D 1982 %P 237-247 %V 47 %N 3 %I Martinus Nijhoff Publishers %U http://www.numdam.org/item/CM_1982__47_3_237_0/ %G en %F CM_1982__47_3_237_0