Fedorenko, A. S., & Федоренко, А. С. (1999). On the best $m$-term trigonometric and orthogonal trigonometric approximations of functions from the classes $L^{Ψ}_{β,ρ}$. Institute of Mathematics, NAS of Ukraine.
Chicago Style (17th ed.) CitationFedorenko, A. S., and А. С Федоренко. On the Best $m$-term Trigonometric and Orthogonal Trigonometric Approximations of Functions from the Classes $L^{Ψ}_{β,ρ}$. Institute of Mathematics, NAS of Ukraine, 1999.
MLA (8th ed.) CitationFedorenko, A. S., and А. С Федоренко. On the Best $m$-term Trigonometric and Orthogonal Trigonometric Approximations of Functions from the Classes $L^{Ψ}_{β,ρ}$. Institute of Mathematics, NAS of Ukraine, 1999.
Warning: These citations may not always be 100% accurate.