Characteristic matrix functions on Wachs spaces, I. (Livsits definition).
Characteristic operator functions on Wachs spaces.
Concept of the spectral sets in Wachs spaces, I.
Jedno uopštenje prostora sa skalarnim i poluskalarnim proizvodom
Certain notes on the numerical range of an unbounded operator
Extensions of two classic kinds of Wachs space operators
Roots of positive and negative operators on Wachs spaces
Extreme values of integrals of some bell shaped classes of functions
O numeričkom rangu operatora u normiranom prostoru
Numerički rang operatora u Vaksovim prostorima
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