@article{DAN_1978_241_6_a3,
     author = {V. S. Pugachev},
     title = {Recursive estimation of variables and parameters in stochastic systems described by autoregression equations},
     journal = {Doklady Akademii Nauk},
     pages = {1269--1272},
     publisher = {mathdoc},
     volume = {241},
     number = {6},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_241_6_a3/}
}