1. Some bounds for differentiable functions of one variable;Bessmertnyh, G. A.;Dokl. Akad. Nauk SSSR,1962
2. On the zeros of the solutions of the differential equation 𝑦⁽ⁿ⁾(𝑧)+𝑝(𝑧)=0;Hadass, Rina;Pacific J. Math.,1969
3. On the zeros of solutions of 𝑦⁽ⁿ⁾+𝑝𝑦=0;Kim, W. J.;J. Math. Anal. Appl.,1969
4. On the zeros of the solutions of 𝑤′′(𝑧)+𝑝(𝑧)𝑤(𝑧)=0;London, David;Pacific J. Math.,1962
5. The Schwarzian derivative and schlicht functions;Nehari, Zeev;Bull. Amer. Math. Soc.,1949