Duffin, R. J. Basic properties of discrete analytic functions. (English) Zbl 0070.30503 Duke Math. J. 23, 335-363 (1956). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 79 Documents Keywords:ordinary differential equations PDFBibTeX XMLCite \textit{R. J. Duffin}, Duke Math. J. 23, 335--363 (1956; Zbl 0070.30503) Full Text: DOI