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@article{DAN_1957_115_5_a2, author = {G. I. Kruchkovich}, title = {On semireducible {Riemannian} spaces}, journal = {Doklady Akademii Nauk}, pages = {862--865}, publisher = {mathdoc}, volume = {115}, number = {5}, year = {1957}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1957_115_5_a2/} }
G. I. Kruchkovich. On semireducible Riemannian spaces. Doklady Akademii Nauk, Tome 115 (1957) no. 5, pp. 862-865. http://geodesic.mathdoc.fr/item/DAN_1957_115_5_a2/