中国科学院数学与系统科学研究院期刊网
Geometric Ergodicity and β-mixing of the Periodic Multivariate BEKK-GARCH Model
Farid Boussama, Hafida Guerbyenne, Khedidja Serier Abdallah
Acta Mathematicae Applicatae Sinica(English Series) . 2025, (3): 876 -897 .  DOI: 10.1007/s10255-025-0012-y