Khalifa ES-SEBAIY , Fares ALAZEMI , Mishari AL-FORAIH . LEAST SQUARES TYPE ESTIMATION FOR DISCRETELY OBSERVED NON-ERGODIC GAUSSIAN ORNSTEIN-UHLENBECK PROCESSES[J]. Acta mathematica scientia, Series B, 2019 , 39(4) : 989 -1002 . DOI: 10.1007/s10473-019-0406-0

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