Volume 17, Issue 3 Bhikha Lila Ghodadra Determination of order of magnitude of multiple Fourier coefficients of functions of bounded ϕ-variation having lacunary Fourier series using Jensen's inequality Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Bhikha Lila Ghodadra Find more articles with the same keywords lacunary Fourier series multiple Fourier coefficient function of bounded φ-variation in several variables order of magnitude Jensen's inequality Find more articles with the same subject classes 42B05 26B30 26D15