SELYAEV, V.; GRYAZNOV, S.; BABUSHKINA, D. DETERMINATION OF BENDING OF A BEAM FROM A NONLINEAR DEFORMABLE MATERIAL BY RITZ-TIMOSHENKO METHODS AND FINITE DIFFERENCES TAKING INTO ACCOUNT DEGRADATION FUNCTIONS OF CROSS SECTION RIGIDITY. International Journal for Computational Civil and Structural Engineering, v. 18, n. 2, p. 85–97, 24 Jun.2022.