V. S. Bezdomnikov, I. N. Inozemceva, “On the question of estimating the non-oscillation interval for a linear differential equation of third order”, Differ. Uravn., 2:11 (1966), 1444–1448
2.
V. S. Bezdomnikov, Yu. V. Komlenko, “On the question of estimation of the interval of applicability of Čaplygin's theorem”, Differ. Uravn., 2:9 (1966), 1170–1175
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