2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/205821I review X-ray observations of accretion-powered millisecond pulsars and current theories for formation of their spectra and pulse profiles.14 pages, 6 figures; invited review presented at COSPAR Colloquium "Spectra & Timing of Compact X-ray Binaries", January 17-20, 2005, Mumbai, India. Advances in Space Research, in pressAstrophysicstext