Zvyagina, R. A. Renewal of a multilayer block basis with regard to the specific nature of the end blocks. (Russian) Zbl 0616.65041 Optimizatsiya 35(52), 56-69 (1985). Triangularization of partitioned matrices, with special reference to the choice of basic vectors and a preassigned final form, is studied. Reviewer: S.Zlobec MSC: 65F15 Numerical computation of eigenvalues and eigenvectors of matrices 15A21 Canonical forms, reductions, classification Keywords:partitioned matrix; reduction of matrices; Triangularization PDFBibTeX XMLCite \textit{R. A. Zvyagina}, Optimizatsiya 35(52), 56--69 (1985; Zbl 0616.65041)