1. Asymptotically optimal inference for non-ergodic models;Basawa,1983
2. Statistical Inference for Markov Processes;Billingsley,1961
3. Statistical methods for Markov chains;Billingsley;Ann. Math. Stat.,1961
4. Mathematical Methods of Statistics;Camer,1946
5. Remarks on estimation problem for stationary processes in continuous time;Davydov,2001