@article{105045, author = {Ivo Marek}, title = {On the minimax principle for $K$-positive operators (Preliminary communication)}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {007}, year = {1966}, pages = {109-112}, zbl = {0171.34905}, mrnumber = {0200728}, language = {en}, url = {http://dml.mathdoc.fr/item/105045} }
Marek, Ivo. On the minimax principle for $K$-positive operators (Preliminary communication). Commentationes Mathematicae Universitatis Carolinae, Tome 007 (1966) pp. 109-112. http://gdmltest.u-ga.fr/item/105045/
The Theory of Matrices in Numerical Analysis, Blaisdell Publ. Comp. New York 1964. (1964) | MR 0175290 | Zbl 0161.12101
Some spectral properties of K-positive operators and inclusion theorems for the spectral radius, (To appear in Czech. Math. Journ.)