@article{THSP_2007_13_1_a7,
     author = {Dmytro Ivanenko},
     title = {Asymptotically optimal estimator of},
     journal = {Teori\^a slu\v{c}ajnyh processov},
     pages = {77--85},
     year = {2007},
     volume = {13},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/THSP_2007_13_1_a7/}
}