I. V. Kamenev

An integral criterion for oscillation of linear differential equations of second order

I. V. Kamenev, I. Kamenev, 1978 .

A criterion for the oscillation of solutions of second-order ordinary differential equations

I. V. Kamenev, 1970 .

Some specifically nonlinear oscillation theorems

I. V. Kamenev, 1971 .