TY - JOUR AU - V. O. Tonkov TI - Estimation of Dirichlet kernel difference in the norm of $\mathrm{L}$ JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2010 SP - 12 EP - 18 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2010_1_a1/ LA - ru ID - VMUMM_2010_1_a1 ER -