B. Sobek

Generalized Pexider Equation on an Open Domain

M. Chudziak, B. Sobek, 2017 .

Pexider type equation on a region

M. Chudziak, B. Sobek, 2017 .

Generalized Pexider Equation on an Open Domain

M. Chudziak, B. Sobek, 2016, Results in Mathematics.

Alienation of the Jensen, Cauchy and d’Alembert Equations

B. Sobek, 2016 .