Tietz, Horst Über die Cauchysche Integralformel. (German) Zbl 0113.05205 Sitzungsber. Berliner Math. Ges. 1957/58, 57-60 (1958). Reviewer: M. Ohtsuka MSC: 30F30 PDFBibTeX XML
de Vito, Luciano On a limitation of eigenvalues related to boundary problems for partial differential equations of order \(2n\). (Su una limitazione degli autovalori relativi a problemi al contorno per equazioni differenziali a derivate parziali di ordine \(2n\).) (Italian) Zbl 0084.30902 Boll. Unione Mat. Ital., III. Ser. 13, 319-326 (1958). Reviewer: G. Cimmino MSC: 35P15 PDFBibTeX XMLCite \textit{L. de Vito}, Boll. Unione Mat. Ital., III. Ser. 13, 319--326 (1958; Zbl 0084.30902) Full Text: EuDML
Maurin, K. Expansion of positive definite kernels in eigendistributions. Differentiability of then spectral function of a hypoelliptic operator. (Entwicklung positiv definiter Kerne nach Eigendistributionen. Differenzierbarkeit der Spektralfunktion eines hypoelliptischen Operators.) (German) Zbl 0081.12203 Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 6, 149-155 (1958). Reviewer: E. A. Coddington MSC: 35P05 35P10 35H10 PDFBibTeX XMLCite \textit{K. Maurin}, Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 6, 149--155 (1958; Zbl 0081.12203)