Numerical Solution of Partial Differential Equations: Theory, Algorithms, and Their Applications In Honor of Professor Raytcho Lazarov's 40 Years of Research in Computational Methods and Applied Mathematics - Iliev, Oleg P.; Margenov, Svetozar D.; Minev, Peter D.; Vassilevski, Panayot S.; Zikatanov, Ludmil T. (Springer New York : Imprint: Springer, 2013)