Braga F, Rega G, Vestroni F. Numerical Analysis of Compatible Finite Elements of Different Order in Two-Dimensional Problems of Elasticity. Eng. Trans. [Internet]. 1978 Dec. 30 [cited 2025 Apr. 24];26(4):619-43. Available from: https://et3.ippt.pan.pl/index.php/et/article/view/2147