Kostov, V. P. Isomonodromy deformations of Fuchsian families of systems of linear differential equations with bifurcating poles. (Russian) Zbl 0706.34027 Differ. Uravn. 26, No. 5, 787-800 (1990). Reviewer: M.Greguš MSC: 34C05 34A30 PDFBibTeX XMLCite \textit{V. P. Kostov}, Differ. Uravn. 26, No. 5, 787--800 (1990; Zbl 0706.34027)
Kostov, V. P. Normal forms of systems of linear differential equations with bifurcating Fuchsian singularities. (Russian) Zbl 0693.34006 Differ. Uravn. 26, No. 2, 353-356 (1990). Reviewer: E.Barvinek MSC: 34A30 34M35 34A25 PDFBibTeX XMLCite \textit{V. P. Kostov}, Differ. Uravn. 26, No. 2, 353--356 (1990; Zbl 0693.34006)