Ferreira, Chelo; López, José; Pérez Sinusia, Ester Analysis of singular one-dimensional linear boundary value problems using two-point Taylor expansions. (English) Zbl 1463.34093 Electron. J. Qual. Theory Differ. Equ. 2020, Paper No. 22, 21 p. (2020). MSC: 34B16 34A25 34B05 41A58 PDFBibTeX XMLCite \textit{C. Ferreira} et al., Electron. J. Qual. Theory Differ. Equ. 2020, Paper No. 22, 21 p. (2020; Zbl 1463.34093) Full Text: DOI
Molnár, Tamás; Insperger, Tamás; Stépán, Gábor Analytical estimations of limit cycle amplitude for delay-differential equations. (English) Zbl 1389.37027 Electron. J. Qual. Theory Differ. Equ. 2016, Paper No. 77, 10 p. (2016). MSC: 37G15 41A10 74H10 74H55 PDFBibTeX XMLCite \textit{T. Molnár} et al., Electron. J. Qual. Theory Differ. Equ. 2016, Paper No. 77, 10 p. (2016; Zbl 1389.37027) Full Text: DOI
Kisel’ák, Jozef The best constant of Sobolev inequality corresponding to anti-periodic boundary value problem. (English) Zbl 1324.46046 Electron. J. Qual. Theory Differ. Equ. 2014, Paper No. 62, 11 p. (2014). MSC: 46E35 41A44 26D10 34B27 PDFBibTeX XMLCite \textit{J. Kisel'ák}, Electron. J. Qual. Theory Differ. Equ. 2014, Paper No. 62, 11 p. (2014; Zbl 1324.46046) Full Text: DOI Link