@article{KYB_1993__29_1_a1,
     author = {Konstantinov, M. M. and Petkov, P. Hr. and Christov, N. D.},
     title = {Perturbation analysis of the discrete {Riccati} equation},
     journal = {Kybernetika},
     pages = {18--29},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {1993},
     mrnumber = {1227739},
     zbl = {0792.93053},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1993__29_1_a1/}
}