Some cases of instability of equilibria of natural systems
English version (Springer): Ukrainian Mathematical Journal 37 (1985), no. 1, pp 108-111.
Citation Example: Sosnitskii S. P. Some cases of instability of equilibria of natural systems // Ukr. Mat. Zh. - 1985. - 37, № 1. - pp. 124 – 127.
Full text