@article{DAN_1977_236_6_a3,
     author = {I. A. Ibragimov and R. Z. Khas'minskii},
     title = {A problem of statistical estimation in {Gaussian} white noise},
     journal = {Doklady Akademii Nauk},
     pages = {1300--1302},
     publisher = {mathdoc},
     volume = {236},
     number = {6},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_236_6_a3/}
}