%0 Journal Article %A A. S. Belov %T Order estimates of the modulus of variation of the sum of a lacunary trigonometric series %J Sbornik. Mathematics %D 1998 %P 639-656 %V 189 %N 5 %U http://geodesic.mathdoc.fr/item/SM_1998_189_5_a0/ %G en %F SM_1998_189_5_a0