@article{SJVM_2009_12_1_a3,
     author = {V. I. Znak and O. V. Grachev},
     title = {Some issues of improving the quality of noisy periodic signals and numerical estimation of their parameters and characteristics; cluster approach --- statement of problem},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {41--55},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2009_12_1_a3/}
}