Duffin, R. J. Potential theory on a rhombic lattice. (English) Zbl 0247.31003 J. Comb. Theory 5, 258-272 (1968). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 46 Documents MSC: 31A15 Potentials and capacity, harmonic measure, extremal length and related notions in two dimensions 30G25 Discrete analytic functions PDFBibTeX XMLCite \textit{R. J. Duffin}, J. Comb. Theory 5, 258--272 (1968; Zbl 0247.31003) Full Text: DOI