[1] C. П. Tuмошенко: Kypс тeopии ynpyrocти. Kиeв 1972.
[2] A. C. Уфлянд: 
Pacnpocтранение волн npи nonepeчных колебаниях стержней и пластин. Приклад. мат. и мех. 12 (1948), 287-300. 
MR 0025969[3] R. D. Mindlin: Influence of rotatory inertia and shear on flexural motion of elastic plates. J. Appl. Mech., 18 (1951), 31-38.
[4] R. D. Mindlin G. Hermann: A onedimensional theory of compressional waves in an elastic rod. A. S. M. E. Trans., 67 (1945), 187-191.
[5] E. Skudrzyk: 
Simple and complex vibratory systems. Pennsylvania State University Press, 1968. 
Zbl 0266.73027[6] E. F. Beckenbach R. Bellman: 
Inequalities. Berlin-Góttingen-Heidelberg, 1961. 
MR 0158038[8] M. Sova: 
Linear differential equations in Banach spaces. Rozpravy ČSAV, Řada matematických a přírodních věd, 85 (1975). 
MR 0481342 | 
Zbl 0333.34055[9] H. O. Fattorini: 
Ordinary differential equations in linear topological spaces I. J. of Diff. Equ. 5 (1969), p. 72-105. 
MR 0277860 | 
Zbl 0175.15101