@article{ZNSL_1996_234_a15, author = {Takao Yamaguchi}, title = {Manifolds of almost nonnegative curvature}, journal = {Zapiski Nauchnykh Seminarov POMI}, pages = {201--260}, publisher = {mathdoc}, volume = {234}, year = {1996}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ZNSL_1996_234_a15/} }