Lytaev, M. S. 2020. “On Application of the Finite-Difference Padé Approximation of the Pseudo-Differential Parabolic Equation to the Tropospheric Radio Wave Propagation Problem”. Numerical Methods and Programming (Vychislitel’nye Metody I Programmirovanie) 21 (66):405-19. https://doi.org/10.26089/NumMet.v21r433.