Baćić, Ljubica; Filipin, Alan The extensibility of \(D(4)\)-pairs. (English) Zbl 1293.11051 Math. Commun. 18, No. 2, 447-456 (2013). MSC: 11D09 11J68 PDFBibTeX XMLCite \textit{L. Baćić} and \textit{A. Filipin}, Math. Commun. 18, No. 2, 447--456 (2013; Zbl 1293.11051) Full Text: Link
Filipin, Alan; Fujita, Yasutsugu The relative upper bound for the third element in a \(D(-1)\)-quadruple. (English) Zbl 1305.11020 Math. Commun. 17, No. 1, 13-19 (2012). Reviewer: Volker Ziegler (Salzburg) MSC: 11D09 11J68 PDFBibTeX XMLCite \textit{A. Filipin} and \textit{Y. Fujita}, Math. Commun. 17, No. 1, 13--19 (2012; Zbl 1305.11020) Full Text: Link
Filipin, Alan; Fujita, Yasutsugu The number of \(D(-1)\)-quadruples. (English) Zbl 1213.11067 Math. Commun. 15, No. 2, 387-391 (2010). Reviewer: Florin Nicolae (Berlin) MSC: 11D09 11D45 PDFBibTeX XMLCite \textit{A. Filipin} and \textit{Y. Fujita}, Math. Commun. 15, No. 2, 387--391 (2010; Zbl 1213.11067)
Filipin, Alan; Fujita, Yasutsugu Any polynomial \(D(4)\)-quadruple is regular. (English) Zbl 1144.11024 Math. Commun. 13, No. 1, 45-55 (2008). Reviewer: Volker Ziegler (Graz) MSC: 11D09 11C08 PDFBibTeX XMLCite \textit{A. Filipin} and \textit{Y. Fujita}, Math. Commun. 13, No. 1, 45--55 (2008; Zbl 1144.11024)