Matrices Which Inversions are Tridiagonal, Band or Block-Tridiagonal and Their Relationship with the Covariance Matrices of a Markov Processes. - Ulan N. Brimkulov (CoRR, 2015)

Accuracy of Discrete Markov Approximation in the Problems of Estimation of Random Field Characteristics. - Ulan N. Brimkulov; Chinara Jumabaeva; Kasym Baryktabasov (CoRR, 2016)