Yazdizadeh, Behrooz, and H.H. Yeghiazaryan. 2013. “SOME FEM MODELS FOR BENDING AND VIBRATION PROBLEMS OF BEAM”. Proceedings of the YSU A: Physical and Mathematical Sciences 47 (1 (230): 38-43. https://doi.org/10.46991/PYSUA.2013.47.1.038.