@Article{2010:shemyakova:refinement, title = "Refinement of Two-Factor Factorizations of a Linear Partial Differential Operator of Arbitrary Order and Dimension", author = "Ekaterina Shemyakova", publisher = {Birkh{\"a}user Basel}, journal = "Mathematics in Computer Science", pages = "223--230", volume = "4", year = "2010", issn = "1661-8270", note = "10.1007/s11786-010-0052-3", url = "http://dx.doi.org/10.1007/s11786-010-0052-3", affiliation = "Research Institute for Symbolic Computation (RISC), J.Kepler University, Altenbergerstr. 69, 4040 Linz, Austria", issue = "2", keyword = "Mathematics" }