3 citations to https://www.mathnet.ru/eng/pa231

1. R. A. Bashmakov, K. P. Isaev, A. A. Makhota, “Exponential series in normed spaces of analytic functions”, Ufa Math. J., 13:3 (2021), 27–35      
2. K. P. Isaev, K. V. Trounov, R. S. Yulmukhametov, “On representation of functions from normed subspaces of H(D) by series of exponentials”, Anal.Math.Phys., 9:3 (2019), 1043  
3. Jan Boone, Rudy Douven, “Provider Competition and Over-Utilization in Health Care”, SSRN Journal, 2014