C. Donalek
1 ta ish
California Institute of Technology
A possible close supermassive black-hole binary in a quasar with optical periodicity
M. J. Graham, S. G. Djorgovski, Daniel Stern +6
MaqolaOchiq kirish20154 iqtibosABI
Kashfiyot
Xizmatlar
Ishlab chiquvchilar uchun
1 ta ish
California Institute of Technology
M. J. Graham, S. G. Djorgovski, Daniel Stern +6