@article{10_4153_CJM_1972_077_6,
     author = {Bishop, R. L. and Goldberg, S.I.},
     title = {On {Conformally} {Flat} {Spaces} with {Commuting} {Curvature} and {Ricci} {Transformations}},
     journal = {Canadian journal of mathematics},
     pages = {799--804},
     year = {1972},
     volume = {24},
     number = {5},
     doi = {10.4153/CJM-1972-077-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-077-6/}
}