Zítek, František Random interval functions. (Fonctions aléatoires d’intervalle.) (French. Russian summary) Zbl 0198.22202 Czech. Math. J. 8(83), No. 4, 583-607 (1958). Reviewer: K. Itô MSC: 60-XX PDFBibTeX XMLCite \textit{F. Zítek}, Czech. Math. J. 8(83), 583--607 (1958; Zbl 0198.22202) Full Text: Link
Lukacs, Eugene Les fonctions caractéristiques analytiques. (French) Zbl 0082.12802 Ann. Inst. Henri Poincaré 15, 217-251 (1957). PDFBibTeX XMLCite \textit{E. Lukacs}, Ann. Inst. Henri Poincaré 15, 217--251 (1957; Zbl 0082.12802) Full Text: Numdam EuDML
Teichner, Henry Reducibility of positive type polynomials. (English) Zbl 0064.24905 Proc. Am. Math. Soc. 6, 195-201 (1955). PDFBibTeX XMLCite \textit{H. Teichner}, Proc. Am. Math. Soc. 6, 195--201 (1955; Zbl 0064.24905) Full Text: DOI