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 (Dec. 2020), 405–419. DOI:https://doi.org/10.26089/NumMet.v21r433.