1. L. Euler, Method for Determining Curves with the Maximum or Minimum Property (GTTI, Moscow–Leningrad, 1934) [in Russian].
2. A. S. Vol’mir, Stability of Elastic Systems (GITTL, Moscow, 1962) [in Russian].
3. Ya. G. Panovko and I. I. Gubanova, Stability and Vibrations of Elastic Systems (Nauka, Moscow, 1987) [in Russian].
4. M. A. Lavrentiev and A. Yu. Ishlinskii, “Dynamic Buckling Modes of Elastic Systems,” Dokl. Akad. Nauk SSSR 64 (6), 779–782 (1949).
5. A. S. Vol’mir, “Stability of Compressed Rods under Dynamic Loading,” Stroit. Mekh. Rashch. Sooruzh, No. 1, 6–9 (1960).