@article{107568, author = {Old\v rich Kowalski and Masami Sekizawa}, title = {Local isometry classes of Riemannian $3$-manifolds with constant Ricci eigenvalues $\rho\sb 1=\rho\sb 2\neq \rho\sb 3 > 0$}, journal = {Archivum Mathematicum}, volume = {032}, year = {1996}, pages = {137-145}, zbl = {0903.53015}, mrnumber = {1407345}, language = {en}, url = {http://dml.mathdoc.fr/item/107568} }
Kowalski, Oldřich; Sekizawa, Masami. Local isometry classes of Riemannian $3$-manifolds with constant Ricci eigenvalues $\rho\sb 1=\rho\sb 2\neq \rho\sb 3 > 0$. Archivum Mathematicum, Tome 032 (1996) pp. 137-145. http://gdmltest.u-ga.fr/item/107568/
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