@inproceedings{gui-qiangsubsonic-sonic, title={SUBSONIC-SONIC LIMIT OF APPROXIMATE SOLUTIONS TO MULTIDIMENSIONAL STEADY EULER EQUATIONS}, author={Gui-Qiang Chen, Fei-Min Huang, and Tian-Yi Wang}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170207002237218560217}, }