scientific article; zbMATH DE number 3560216
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Publication:4133029
zbMath0359.47018MaRDI QIDQ4133029
Vasile I. Istratescu, Ana I. Istratescu
Publication date: 1977
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Invariant subspaces of linear operators (47A15) (Semi-) Fredholm operators; index theories (47A53) Fixed points and coincidences in algebraic topology (55M20) Special classes of linear operators (47B99)
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