Approximation of analytic functions in annulus by linear operators. - Akif D. Gadjiev; Rashid A. Aliev (Appl. Math. Comput., 2015)

On a smoothness problem in ridge function representation. - Rashid A. Aliev; Vugar E. Ismailov (Adv. Appl. Math., 2016)

A note on continuous sums of ridge functions. - Rashid A. Aliev; Aysel A. Asgarova; Vugar E. Ismailov (J. Approx. Theory, 2019)

A representation problem for smooth sums of ridge functions. - Rashid A. Aliev; Vugar E. Ismailov (J. Approx. Theory, 2020)