caa a22 4500 47574229X CHVBK 20180406123503.0 cr unu---uuuuu 170329e20000201xx s 000 0 eng 10.1007/BF02686253 doi (NATIONALLICENCE)springer-10.1007/BF02686253 Convexity and weak closedness of the image of operator balls under linear-fractional transformations [Elektronische Daten] [T. Azizov, V. Kiriakidi] Kluwer Academic/Plenum Publishers, 2000 linear-fractional transformations in Hilbert space nationallicence convexity nationallicence weak operator topology nationallicence indefinite metric nationallicence block matrix representation nationallicence angle operator nationallicence plus-operator nationallicence Azizov T. Voronezh State University, USSR aut Kiriakidi V. Voronezh State University, USSR aut Mathematical Notes Springer US 67/2(2000-02-01), 245-247 0001-4346 67:2<245 2000 67 11006 https://doi.org/10.1007/BF02686253 text/html Onlinezugriff via DOI 1 brief-communication jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF02686253 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Azizov T. Voronezh State University, USSR aut NATIONALLICENCE 700 1- Kiriakidi V. Voronezh State University, USSR aut NATIONALLICENCE 773 0- Mathematical Notes Springer US 67/2(2000-02-01), 245-247 0001-4346 67:2<245 2000 67 11006 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer