%0 Journal Article %A V. A. Tabueva %T Bounds for the critical value of the parameter $\alpha$ in the differential equation $\dfrac{d^2x}{dt^2}+\alpha\dfrac{dx}{dt}+f(x)=0$ %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1958 %P 227-237 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1958_2_a19/ %G ru %F IVM_1958_2_a19