Jacob B., Trunk C., “Spectrum and analyticity of semigroups arising in elasticity theory and hydromechanics”, Semigroup Forum, 79:1 (2009), 79–100
К. Трунк, “Спектральная теория операторных матриц, встречающихся в моделях механики”, Матем. заметки, 83:6 (2008), 923–932 ; C. Trunk, “Spectral Theory for Operator Matrices Related to Models in Mechanics”, Math. Notes, 83:6 (2008), 843–850
Jacob B., Trunk C., Winklmeier M., “Analyticity and Riesz basis property of semigroups associated to damped vibrations”, J. Evol. Equ., 8:2 (2008), 263–281
Jacob B., Trunk C., “Location of the spectrum of operator matrices which are associated to second order equations”, Oper. Matrices, 1:1 (2007), 45–60
Jacob B., Morris K., Trunk C., “Minimum-phase infinite-dimensional second-order systems”, IEEE Trans. Automat. Control, 52:9 (2007), 1654–1665
Veselic K., “Bounds for Contractive Semigroups and Second-Order Systems”, Operator Theory in Krein Spaces and Nonlinear Eigenvalue Problems, Operator Theory : Advances and Applications, 162, eds. Forster KH., Jonas P., Langer H., Birkhauser Verlag Ag, 2006, 293–308
Birgit Jacob, Kirsten Morris, Carsten Trunk, “Minimum‐Phase Second‐Order Systems and the Spectrum of the Semigroup Generator”, Proc Appl Math and Mech, 6:1 (2006), 631
Р. О. Гринив, А. А. Шкаликов, “Экспоненциальное убывание энергии решений уравнений, отвечающих некоторым операторным моделям механики”, Функц. анализ и его прил., 38:3 (2004), 3–14 ; R. O. Hryniv, A. A. Shkalikov, “Exponential Decay of Solution Energy for Equations Associated with Some Operator Models of Mechanics”, Funct. Anal. Appl., 38:3 (2004), 163–172
Veselić K., “Energy decay of damped systems”, ZAMM Z. Angew. Math. Mech., 84:12 (2004), 856–863