中国科学院数学与系统科学研究院期刊网
AMS
Travel Time Tomography
Plamen STEFANOV, Gunther UHLMANN, Andras VASY, Hanming ZHOU
Acta Mathematica Sinica . 2019, (6): 1085 -1114 .  DOI: 10.1007/s10114-019-8338-0