1. Classical Potential Theory;Armitage,2001
2. Polyharmonic Functions;Aronszajn,1983
3. Entire Functions;Boas,1954
4. Über die Differentiatsionsprozesse der Algebra;Fischer;J. Math.,1917
5. Growth of entire harmonic functions in Rn, n⩾2;Fugard;J. Math. Anal. Appl.,1980