Koplatadze, R.; Partsvania, N. On the oscillation of solutions of two-dimensional linear differential systems with deviated arguments. (English) Zbl 0925.34092 Mem. Differ. Equ. Math. Phys. 13, 148-149 (1998). MSC: 34K11 Oscillation theory of functional-differential equations 34C15 Nonlinear oscillations and coupled oscillators for ordinary differential equations PDFBibTeX XMLCite \textit{R. Koplatadze} and \textit{N. Partsvania}, Mem. Differ. Equ. Math. Phys. 13, 148--149 (1998; Zbl 0925.34092) Full Text: EuDML