@article{AIHPC_2018__35_6_1687_0,
     author = {Liang, Chao and Marin, Karina and Yang, Jiagang},
     title = {Lyapunov exponents of partially hyperbolic volume-preserving maps with 2-dimensional center bundle},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {1687--1706},
     publisher = {Elsevier},
     volume = {35},
     number = {6},
     year = {2018},
     doi = {10.1016/j.anihpc.2018.01.007},
     mrnumber = {3846241},
     zbl = {1398.37025},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpc.2018.01.007/}
}