BRAGA, F.; REGA, G.; VESTRONI, F. Numerical Analysis of Compatible Finite Elements of Different Order in Two-Dimensional Problems of Elasticity. Engineering Transactions, [S. l.], v. 26, n. 4, p. 619–643, 1978. Disponível em: https://et3.ippt.pan.pl/index.php/et/article/view/2147. Acesso em: 24 apr. 2025.