1.
GANJI, D. D., SADIGHI, A., TARI, H., GORJI, M. & HAGHPARAST, N. Large deflection of a cantilever beam under point load using the homotopy perturbation method. Topological Methods in Nonlinear Analysis [online]. 1 June 2008, T. 31, nr 2, s. 271–277. [accessed 24.10.2021].