中国科学院数学与系统科学研究院期刊网
AMS
The Uniqueness of Knieper Measure on Non-compact Rank 1 Manifolds of Non-positive Curvature
Fei LIU, Fang WANG
Acta Mathematica Sinica . 2021, (8): 1219 -1228 .  DOI: 10.1007/s10114-021-0465-8