%0 Journal Article %A Liang, Chao %A Marin, Karina %A Yang, Jiagang %T Lyapunov exponents of partially hyperbolic volume-preserving maps with 2-dimensional center bundle %J Annales de l'I.H.P. Analyse non linéaire %D 2018 %P 1687-1706 %V 35 %N 6 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.anihpc.2018.01.007/ %R 10.1016/j.anihpc.2018.01.007 %G en %F AIHPC_2018__35_6_1687_0