Koliushko, D. G., S. S. Rudenko, and A. N. Saliba. “Method of Integro-Differential Equations for Interpreting the Results of Vertical Electrical Sounding of the Soil”. Electrical Engineering & Electromechanics, no. 5, Oct. 2021, pp. 67-70, doi:10.20998/2074-272X.2021.5.09.