Qin , WanglongCai , JunweiLu , HongqiangJimack , Peter K. and Walkley , M. A.. (2018). A Study of Preconditioned Jacobian-Free Newton-Krylov Discontinuous Galerkin Method for Compressible Flows on 3D Hexahedral Grids. Advances in Applied Mathematics and Mechanics. 10 (2). 261-274. doi:10.4208/aamm.OA-2017-0004