FIRST PRINCIPLES DERIVATION OF A STRESS FUNCTION FOR AXIALLY SYMMETRIC ELASTICITY PROBLEMS, AND APPLICATION TO BOUSSINESQ PROBLEM. Nigerian Journal of Technology, [S. l.], v. 36, n. 3, p. 767–772, 2017. DOI: 10.4314/njt.363.1388. Disponível em: https://nijotech.com/index.php/nijotech/article/view/1388. Acesso em: 16 apr. 2026.