Numerical Methods and Applications 7th International Conference, NMA 2010, Borovets, Bulgaria, August 20-24, 2010, Revised Papers - Ivan Dimov, Lirkov.; Ivan Dimov, Lirkov.; Dimova, Stefka.; Dimova, Stefka.; Kolkovska, Natalia.; Kolkovska, Natalia. (Springer Berlin Heidelberg : Imprint: Springer, 2011)