TY - JOUR AU - P. A. Andrianov TI - Sharp estimates of the deviation from Fourier--Haar sums for continuous functions of two variables JO - Zapiski Nauchnykh Seminarov POMI PY - 2015 SP - 19 EP - 31 VL - 434 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2015_434_a1/ LA - ru ID - ZNSL_2015_434_a1 ER -