On oscillation theorems for differential polynomials

Sums of zeros of solutions to second order differential equations with polynomial coefficients

“…Huang ([21]). In connection with recent results see also the papers [4,10,11], [23]- [27]. In particular, in the paper [26], the authors study the convergence of the zeros of a non-trivial (entire) solution to the linear differential equation…”

Properties of higher order differential polynomials generated by solutions of complex differential equations in the unit disc

“…Remark 1.5 For some papers related in the complex plane see [19,22,24] and in the unit disc see [7,9,12] .…”