عنوان ON THE ASYMPTOTIC BEHAVIOR OF SECOND-ORDER NONLINEAR DIFFERENTIAL EQUATIONS OF EULER TYPE نوع پژوهش مقاله ارائه شده کلیدواژهها Oscillation, Nonlinear Di erential Equation. چکیده We consider a second-order nonlinear differential equation and study the problem whether all nontrivial solutions of the equation are oscillatory in some critical cases. پژوهشگران وحید رومی (نفر اول)