%0 Journal Article %A A. A. Vladimirov %T Estimates of the Number of Eigenvalues of Self-Adjoint Operator Functions %J Matematičeskie zametki %D 2003 %P 838-847 %V 74 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2003_74_6_a3/ %G ru %F MZM_2003_74_6_a3