PageHeader : Funkcialaj Ekvacioj, 33 (1990) 455-474 Title : An Expansion Formula for Spectral Functions AuthorInfo : By AuthorInfo : Yutaka KAMIMURA AuthorInfo : (Tokyo University of Fisheries, Japan) AuthorInfo : Dedicated to Professor Tosihusa Kimura on his 60th birthday section : Introduction section : 1. Spectral functions and spectral resolutions section : 2. A decomposition of spectral functions section : 3. An expansion of spectral functions section : 4. An eigenfunction expansion section : References