@article{10_4153_CJM_1990_052_5, author = {D'Atri, J. E. and Miatello, I. Dotti}, title = {Eigenvalues of the {Curvature} {Operator} for {Certain} {Homogeneous} {Manifolds}}, journal = {Canadian journal of mathematics}, pages = {981--999}, year = {1990}, volume = {42}, number = {6}, doi = {10.4153/CJM-1990-052-5}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1990-052-5/} }