@article{SM_1995_82_2_a11,
     author = {K. V. Runovskii},
     title = {On approximation by families of linear polynomial operators in $l_P$-spaces, $0<p<1$},
     journal = {Sbornik. Mathematics},
     pages = {441--459},
     publisher = {mathdoc},
     volume = {82},
     number = {2},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1995_82_2_a11/}
}