1. Clifford Analysis;Brackx,1982
2. Clifford Algebra and Spinor-Valued Functions;Delanghe,1992
3. Basic Clifford analysis;Ryan;Cubo Math. Educ.,2000
4. On a boundary value problem of the biharmonic equation;Gürlebeck;Math. Methods Appl. Sci.,1997
5. Almansi-type theorems in Clifford analysis;Malonek;Math. Methods Appl. Sci.,2002