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Author: Valdman, Jan

• Harasim, Petr; Valdman, Jan: Verification of functional a posteriori error estimates for obstacle problem in 2D. (English). Kybernetika, vol. 50 (2014), issue 6, pp. 978-1002
• Harasim, Petr; Valdman, Jan: Verification of functional a posteriori error estimates for obstacle problem in 1D. (English). Kybernetika, vol. 49 (2013), issue 5, pp. 738-754