@book{ Solr-EB001382770, title = {Riemannian geometry : a modern introduction}, series = {Cambridge studies in advanced mathematics}, author = {Chavel, Isaac}, address = {Cambridge}, publisher = {Cambridge University Press}, year = {2006}, edition = {Second edition}, pages = {471}, isbn = {9780511616822}, url = {https://doi.org/10.1017/CBO9780511616822} }