@article{KYB_2004_40_2_a6,
     author = {Gordienko, Evgueni},
     title = {Stability estimates of generalized geometric sums and their applications},
     journal = {Kybernetika},
     pages = {257--272},
     year = {2004},
     volume = {40},
     number = {2},
     mrnumber = {2069182},
     zbl = {1249.91040},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_2004_40_2_a6/}
}