2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45480General algorithms for tensor reduction of two-loop massive vacuum diagrams are discussed. Some explicit useful formulae are presented.7 pages, plain LaTex, no figures; ps file available by anonymous ftp at ftp://vsfys1.fi.uib.no/anonymous/pub/bergen95-06.ps ; to appear in Proceedings of the AIHENP-95 conference, Pisa, April 1995 (World Scientific, Singapore, 1995)High Energy Physics - PhenomenologyHigh Energy Physics - Theorytext