@article{SJVM_1999_2_1_a3,
     author = {K. I. Kutchinsky},
     title = {An error estimation in $\Sigma\Pi$-approximation via statistical methods},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {37--46},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SJVM_1999_2_1_a3/}
}