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(English).
In:
Chleboun, J., Přikryl, P., Segeth, K., Šístek, J.
and Vejchodský, T. (eds.): Programs and Algorithms of Numerical Mathematics.
Proceedings of Seminar. Dolní Maxov, June 8-13, 2014.
Institute of Mathematics AS CR, Prague, 2015.
pp. 17-22
