Pichugov, S. A., Пичугов, С. А., & Пичугов, С. А. (1994). Approximation of periodic functions by constants in the metric spaces $ϕp(L)$. Institute of Mathematics, NAS of Ukraine.
Chicago Style (17th ed.) CitationPichugov, S. A., С. А Пичугов, and С. А Пичугов. Approximation of Periodic Functions by Constants in the Metric Spaces $ϕp(L)$. Institute of Mathematics, NAS of Ukraine, 1994.
MLA (8th ed.) CitationPichugov, S. A., et al. Approximation of Periodic Functions by Constants in the Metric Spaces $ϕp(L)$. Institute of Mathematics, NAS of Ukraine, 1994.
Warning: These citations may not always be 100% accurate.