1. A. V. Balakrishnan, Kalman Filtering Theory (Mir, Moscow, 1988) [in Russian].
2. E. G. Klimova, “Algorithm for Data Assimilation Based on Adaptive Suboptimum Kalman Filter,” Meteorol. Gidrol., No. 3 (2005) [Russ. Meteorol. Hydrol., No. 3 (2005)].
3. E. G. Klimova, “An Asymptotic Behavior of Meteorological Data Assimilation Scheme Based on the Kalman Filter Algorithm,” Meteorol. Gidrol., No. 8 (1999) [Russ. Meteorol. Hydrol., No. 8 (1999)].
4. E. G. Klimova, “The Algorithm of Meteorological Data Assimilation Based on the Extended Suboptimal Kalman Filter,” Meteorol. Gidrol., No. 11 (1997) [Russ. Meteorol. Hydrol., No. 11 (1997)].
5. E. G. Klimova, “A Model to Calculate the Covariance of Homogeneous Isotropic Stochastic Fields of Forecast Errors,” Meteorol. Gidrol., No. 10 (2001) [Russ. Meteorol. Hydrol., No. 10 (2001)].