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Author: Oswald, Peter

• Oswald, Peter: Nonconforming P1 elements on distorted triangulations: Lower bounds for the discrete energy norm error. (English). Applications of Mathematics, vol. 62 (2017), issue 5, pp. 433-457
• Oswald, Peter: Divergence of FEM: Babuška-Aziz triangulations revisited. (English). Applications of Mathematics, vol. 60 (2015), issue 5, pp. 473-484