2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/34246New results on finite density of particle creation for nonconformal massive scalar particles in Friedmann Universe as well as new counterterms in dimensions higher than 5 are presented. Possible role of creation of superheavy particles for explaining observable density of visible and dark matter is discussed.LaTeX, 6 pages, no figures. Talk on V International Conference on Cosmoparticle Physics "COSMION-2001", Moscow - St.Petersburg, Russia. May 21-30, 2001General Relativity and Quantum Cosmologytext