中国科学院数学与系统科学研究院期刊网
AMS
Four Dimensional Hypersurfaces with Proper Mean Curvature Vector Field in Pseudo-Riemannian Space Forms
Chao Yang, Jiancheng Liu, Li Du
Acta Mathematica Sinica . 2026, (1): 201 -223 .  DOI: 10.1007/s10114-026-4492-3