@article{05383178, title = {On some product conformally flat locally decomposable Riemannian manifolds.}, journal = {Bulletin. Classe des Sciences Math\'ematiques et Naturelles. Sciences Math\'ematiques}, volume = {131}, year = {2005}, pages = {61-75}, doi = {10.2298/BMAT0530061P}, zbl = {1164.53341}, language = {en}, url = {http://dml.mathdoc.fr/item/05383178} }
Prvanović, Mileva. On some product conformally flat locally decomposable Riemannian manifolds.. Bulletin. Classe des Sciences Mathématiques et Naturelles. Sciences Mathématiques, Tome 131 (2005) pp. 61-75. doi : 10.2298/BMAT0530061P. http://gdmltest.u-ga.fr/item/05383178/