Van der Pol, Balth; Niessen, K. F. Symbolic calculus. (English) Zbl 0004.10701 Philos. Mag., VII. Ser. 13, 537-577 (1932). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 Documents Keywords:analysis PDF BibTeX XML Cite \textit{B. Van der Pol} and \textit{K. F. Niessen}, Philos. Mag., VII. Ser. 13, 537--577 (1932; Zbl 0004.10701) OpenURL