On the expansion of a function in terms of spherical harmonics in arbitrary dimensions. Kalf, Hubert (1995) Bulletin of the Belgian Mathematical Society - Simon Stevin
On the theorem of Géza Grünwald and Józef Marcinkiewicz László Szili, Péter Vértesi (2011) Banach Center Publications This survey is a tribute to Géza Grünwald and Józef Marcinkiewicz dealing with the so called Grünwald-Marcinkiewicz Theorem.