Bilichenko, R.O., Oles Honchar Dnipropetrovsk National University, Ukraine
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Vol 20 (2012) - Articles
Approximation of unbounded functionals by the bounded ones in Hilbert space
Abstract PDF (Русский) -
Vol 24 (2016) - Articles
Approximation of unbounded functional, defined by grades of normal operator, on the class of elements of Hilbert space
Abstract PDF (Русский)
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ISSN (Online): 2664-5009
ISSN (Print): 2664-4991
