Efimov, A. I. The structure of an optimal interpolation space in interpolation triples of spaces of \(p\)-integrable functions. (Russian) Zbl 1324.46033 Vladikavkaz. Mat. Zh. 11, No. 1, 9-21 (2009). MSC: 46B70 PDF BibTeX XML Cite \textit{A. I. Efimov}, Vladikavkaz. Mat. Zh. 11, No. 1, 9--21 (2009; Zbl 1324.46033) Full Text: MNR OpenURL
Kondakov, V. P.; Efimov, A. I. On classes of Köthe spaces in which every complemented subspace has a basis. (Russian) Zbl 1324.46050 Vladikavkaz. Mat. Zh. 10, No. 2, 21-29 (2008). MSC: 46E50 46A45 PDF BibTeX XML Cite \textit{V. P. Kondakov} and \textit{A. I. Efimov}, Vladikavkaz. Mat. Zh. 10, No. 2, 21--29 (2008; Zbl 1324.46050) Full Text: MNR OpenURL
Abanin, A. V.; Dragilev, M. M.; Efimov, A. I.; Klimentov, S. B.; Korobeĭnik, Yu. F.; Kusraev, A. G.; Pulyaev, V. F.; Fetisov, V. G. Vladimir Petrovich Kondakov is 60 years old. (Russian) Zbl 1093.01513 Vladikavkaz. Mat. Zh. 6, No. 2, 58-60 (2004). Reviewer: Victor Alexandrov (Novosibirsk) MSC: 01A70 PDF BibTeX XML Cite \textit{A. V. Abanin} et al., Vladikavkaz. Mat. Zh. 6, No. 2, 58--60 (2004; Zbl 1093.01513) Full Text: EMIS OpenURL
Kondakov, V. P.; Efimov, A. I. On two classes of Köthe–Fréchet spaces in which every complemented subspace has a basis. (Russian) Zbl 1058.46003 Vladikavkaz. Mat. Zh. 5, No. 4, 50-62 (2003). Reviewer: N. A. Kudryavtseva (Novosibirsk) MSC: 46A45 46A35 46A04 PDF BibTeX XML Cite \textit{V. P. Kondakov} and \textit{A. I. Efimov}, Vladikavkaz. Mat. Zh. 5, No. 4, 50--62 (2003; Zbl 1058.46003) Full Text: Link OpenURL