1. A new look at the statistical model identification;Akaike;IEEE Trans. Autom. Control,1974
2. Estimating linear restrictions on regression coefficients for multivariate normal distributions;Anderson;Ann. Math. Stat.,1951
3. State space modeling of multiple time series;Aoki;Econ. Rev.,1991
4. A new algorithm for recursive estimation of controlled ARMA processes;Åström,1982
5. Bachman, G. Narici, L., 2000. Functional Analysis, (Reprint of the Academic Press, Inc., New York, 1966 edition), Dover Publ.; Mineola, NY, ISBN: 0486402517.