Method of spherical phase screens for the modeling of propagation of diverging beams in inhomogeneous mediaMichael E. Gorbunov, Oksana A. Koval, Victor A. Kulikov and Alexey E. MamontovITM Web Conf., 30 (2019) 15027DOI: https://doi.org/10.1051/itmconf/20193015027