Algebraic and Algorithmic Aspects of Differential and Integral Operators 5th International Meeting, AADIOS 2012, Held at the Applications of Computer Algebra Conference, ACA 2012, Sofia, Bulgaria, June 25-28, 2012, Selected and Invited Papers - Barkatou, Moulay; Cluzeau, Thomas; Regensburger, Georg; Rosenkranz, Markus (Springer Berlin Heidelberg : Imprint: Springer, 2014)