I. Morozov, и I. Valuev. International Conference on Computational Science (3), том 4489 из Lecture Notes in Computer Science, стр. 199-203. Springer, (2007)
I. Valuev, и B. Esser. International Conference on Computational Science (3), том 2331 из Lecture Notes in Computer Science, стр. 1184-1192. Springer, (2002)