Salo, V., Nechiporenko, V., Rakivnenko, V., Horielyshev, S., Gleizer, N. and Kebko, A. 2020. Calculation of the spherical elements of non-uniform thickness for structures with holes based on the variational RVR-method. Eastern-European Journal of Enterprise Technologies. 6, 7 (108) (Dec. 2020), 36–42. DOI:https://doi.org/10.15587/1729-4061.2020.217091.