{. Dobrzański, и L. Kuzniarz. SAC '06: Proceedings of the 2006 ACM symposium on Applied computing, стр. 1273--1279. New York, NY, USA, ACM Press, (2006)
Lukasz Dobrza'nski, и L. Kuzniarz. SAC '06: Proceedings of the 2006 ACM symposium on Applied computing, стр. 1273--1279. New York, NY, USA, ACM Press, (2006)