V. N. Kalinovich, Y. A. Mitropolskiy, S. M. Onishchenko, A. N. Polishchuk, and A. M. Samoilenko, “On V.N. Koshlyakov’s works in mechanics and its applications”, Ukr. Mat. Zhurn., vol. 49, no. 11, pp. 1444–1453, Nov. 1997.