AN ALGEBRAIC CHARACTERIZATION OF COMPLETE INNER PRODUCT SPACES von Istratescu, Vasile I.

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Inner Product Structures: Theory and Applications von Hazewinkel, M, Istrăţescu, Vasile Ion

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Unimodular Numerical Contractions in Hilbert Space von ISTRATESCU, I.

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On the Existence of a Solution of f(x) = kx for a Continuous not Necessarily Linear Operator von Istratescu, Ana I., Istratescu, Vasile I.

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Some Remarks on Structure of Riesz Operators von Istratescu, I., Constantin, Gh

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Structure theorems for some classes of operators von Istrǎtescu, I.

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On characters of singly generated $C^ $-algebras von Istrǎţescu, V., Istrǎţescu, I.

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Structure theorems for some classes of operators von Istrǎţescu, I.

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Unimodular numerical contractions in Hilbert space von Istrǎţescu, I.

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On some classes of operators, I von Istrǎtescu, I., Istrǎtescu, V.

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On some classes of operators, II von Istrǎtescu, V., Istrǎtescu, I.

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On normaloid operators von Istrăţescu, V., Istrăţescu, I.

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On the spectral mixing theorem for some classes of banach spaces and for the numerical contractions on hilbert spaces von Istratescu, Vasile I.

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Born in 1945 in Bruck an der Mur (Styria): engineer, photographer, writer, gallery owner, friend of Werner Schwab

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A note on expanding maps von Istrătescu, Vasiie I.

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Some Remarks on Structure of Riesz Operators von Istrăţescu, I., Constantin, Gh

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On a functional equation von Istrăţescu, Vasile I

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A Weierstrass theorem for real Banach spaces von Istrăţescu, Vasile I

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On a class of normaloid operators von Istrătescu, Vasile I.

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On complex strictly convex spaces, II von Istrăţescu, Vasile I

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