Dragomir S.S., “Quasilinearity of Some Functionals Associated to a Weakened Davis-Choi-Jensen'S Inequality For Positive Maps”, Azerbaijan J. Math., 10:2 (2020), 71–84
Jaksic R., Pecaric J., “on Some New Converses of Convex Inequalities in Hilbert Space”, Banach J. Math. Anal., 9:2 (2015), 63–82
Malamud, SM, “Inverse spectral problem for normal matrices and the Gauss-Lucas theorem”, Transactions of the American Mathematical Society, 357:10 (2005), 4043
С. М. Маламуд, “Аналог теоремы Пуанкаре о перемежаемости для нормальных матриц и теорема Гаусса–Лукаса”, Функц. анализ и его прил., 37:3 (2003), 85–88; S. M. Malamud, “An Analog of the Poincaré Separation Theorem for Normal Matrices and the Gauss–Lucas Theorem”, Funct. Anal. Appl., 37:3 (2003), 232–235