TY - JOUR AU - Tevzadze, T. TI - Estimation of the integral modulus of smoothness of an even function of several variables with quasiconvex Fourier coefficients. JO - Georgian Mathematical Journal PY - 1996 SP - 379 EP - 400 VL - 3 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/GMJ_1996__3_4_47915/ LA - en ID - GMJ_1996__3_4_47915 ER -