Fox, C. Some further contributions to the theory of null series and their connexion with null integrals. (English) JFM 52.0367.02 Proceedings L. M. S. (2) 26, 35-80 (1926). Reviewer: Volk, O., Prof. (Würzburg) PDF BibTeX XML Cite \textit{C. Fox}, Proc. Lond. Math. Soc. (2) 26, 35--80 (1926; JFM 52.0367.02) Full Text: DOI OpenURL
Dougall, J. The solution of Mathieu’s differential equation: Representation by contour integrals and asymptotic expansions. (English) JFM 52.0367.01 Proceedings Edinburgh Math. Soc. 44, 57-71 (1926). Reviewer: Schmidt, Hermann, Dr. (Jena). PDF BibTeX XML Cite \textit{J. Dougall}, Proc. Edinb. Math. Soc. 44, 57--71 (1926; JFM 52.0367.01) Full Text: DOI OpenURL