(Q28276950)
Statements
A massive binary black-hole system in OJ 287 and a test of general relativity (English)
M J Valtonen
H J Lehto
K Nilsson
J Heidt
L O Takalo
A Sillanpää
M Kidger
G Poyner
T Pursimo
S Zola
J-H Wu
X Zhou
K Sadakane
D Koziel
C Porowski
M Siwak
M Winiarski
V-P Hentunen
M Nissinen