Thin accretion disks around cold Bose–Einstein condensate stars Bogdan Dănilă, Tiberiu Harko and Zoltán Kovács Eur. Phys. J. C, 75 5 (2015) 203 Published online: 09 May 2015 DOI: 10.1140/epjc/s10052-015-3428-3