%0 Journal Article %A M. K. Potapov %A B. V. Simonov %T Improvement of the Ul'yanov inequality for mixed moduli of smoothness for functions with lacunary Fourier coefficients %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2012 %P 18-24 %N 1 %U http://geodesic.mathdoc.fr/item/VMUMM_2012_1_a2/ %G ru %F VMUMM_2012_1_a2