S. Hellerstein

发表

Real zeros of derivatives of meromorphic functions and solutions of differential equations — A survey with problems and conjectures

S. Hellerstein, 1987 .

Zeros of meromorphic solutions of second order linear differential equations

J. Rossi, S. Hellerstein, 1986 .

Non-real Zeros of Derivatives of Real Entire Functions and the Pólya-Wiman Conjectures

Stephanie P. Edwards, S. Hellerstein, 2002 .

Derivatives of entire functions and a question of Pólya. II

J. Williamson, S. Hellerstein, 1975 .

Derivatives of entire functions and a question of Pólya

J. Williamson, S. Hellerstein, 1975 .

Reality of the zeros of an entire function and its derivatives

J. Williamson, Li-Chien Shen, S. Hellerstein, 1983 .

Synthesis of All-Pass Delay Equalizers

S. Hellerstein, S. Hellerstein, 1961 .

Non-Real Zeros of Derivatives of Real Entire Functions and Some Pólya-Wiman Conjectures

Stephanie P. Edwards, S. Hellerstein, 2002 .

Subfields that are algebraically closed in the field of all meromorphic functions

L. Rubel, S. Hellerstein, 1964 .

On the Meromorphic Solutions of Non‐Homogeneous Linear Differential Equations with Polynomial Coefficients

G. Frank, S. Hellerstein, 1986 .

Real zeros of derivatives of meromorphic functions and solutions of second order differential equations

J. Williamson, Li-Chien Shen, S. Hellerstein, 1984 .

Entire functions with negative zeros and a problem of R. Nevanlinna

J. Williamson, S. Hellerstein, 1969 .

ON THE GROWTH OF SOLUTIONS OF /' + gf + hf = 0

J. Miles, J. Rossi, S. Hellerstein, 2010 .

On the growth of solutions of certain linear di erential equations

J. Miles, J. Rossi, S. Hellerstein, 1992 .