@article{10_4064_sm8588_9_2016,
     author = {Yingli Hou and Kui Ji and Hyun-Kyoung Kwon},
     title = {The trace of the curvature determines similarity},
     journal = {Studia Mathematica},
     pages = {193--200},
     publisher = {mathdoc},
     volume = {236},
     number = {2},
     year = {2017},
     doi = {10.4064/sm8588-9-2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm8588-9-2016/}
}