Transformations of difference equations. I. Currie, Sonja; Love, Anne D. — 2010 Advances in Difference Equations [electronic only]
Transformations of difference equations. II. Currie, Sonja; Love, Anne D. — 2010 Advances in Difference Equations [electronic only]
Hierarchies of difference boundary value problems. Currie, Sonja; Love, Anne D. — 2011 Boundary Value Problems [electronic only]