Romanyuk, A. S., Романюк, А. С., & Романюк, А. С. (1996). Approximation of classes of functions of many variables by their orthogonal projections onto subspaces of trigonometric polynomials. Institute of Mathematics, NAS of Ukraine.
Chicago Style (17th ed.) CitationRomanyuk, A. S., А. С Романюк, and А. С Романюк. Approximation of Classes of Functions of Many Variables by Their Orthogonal Projections onto Subspaces of Trigonometric Polynomials. Institute of Mathematics, NAS of Ukraine, 1996.
MLA (8th ed.) CitationRomanyuk, A. S., et al. Approximation of Classes of Functions of Many Variables by Their Orthogonal Projections onto Subspaces of Trigonometric Polynomials. Institute of Mathematics, NAS of Ukraine, 1996.
Warning: These citations may not always be 100% accurate.