Leckar, H. y Sampaio, R. (1998) Problems in incompressible linear elasticity involving tangential and normal components of the displacement field, Pro Mathematica, 12(23-24), pp. 91-101. Disponible en: https://revistas.pucp.edu.pe/index.php/promathematica/article/view/8131 (Accedido: 4mayo2024).