Kürkçü, Ömür Kivanç; Aslan, Ersin; Sezer, Mehmet A novel graph-operational matrix method for solving multidelay fractional differential equations with variable coefficients and a numerical comparative survey of fractional derivative types. (English) Zbl 1434.65102 Turk. J. Math. 43, No. 1, 373-392 (2019). MSC: 65L60 05C31 26A33 34A08 PDFBibTeX XMLCite \textit{Ö. K. Kürkçü} et al., Turk. J. Math. 43, No. 1, 373--392 (2019; Zbl 1434.65102) Full Text: DOI
Imbesi, Maurizio; La Barbiera, Monica Vertex covers in graphs with loops. (English) Zbl 1424.05138 Turk. J. Math. 42, No. 3, 1192-1202 (2018). MSC: 05C25 05C70 13C14 PDFBibTeX XMLCite \textit{M. Imbesi} and \textit{M. La Barbiera}, Turk. J. Math. 42, No. 3, 1192--1202 (2018; Zbl 1424.05138) Full Text: DOI arXiv