1 citations to https://www.mathnet.ru/rus/mzm12736
  1. A. Kh. Asgarova, A. A. Huseynli, V. E. Ismailov, “A Chebyshev-type alternation theorem for best approximation by a sum of two algebras”, Proceedings of the Edinburgh Mathematical Society, 66:4, 971–978  crossref  mathscinet