ULX spectra revisited: Are accreting, highly magnetized neutron stars the engines of ultraluminous X-ray sources?
Journal article published in 2017 by
F. Koliopanos,
G. Vasilopoulos,
M. Bachetti 
,
O. Godet,
N. Webb,
D. Barret
,
O. Godet,
N. Webb,
D. Barret
