共 64 条
[1]
Agullo I, 2014, SPRINGER HANDBOOK OF SPACETIME, P809
[3]
An D., 2018, ARXIV180801740
[4]
[Anonymous], 2017, GRAVITATION
[10]
Loop quantum cosmology: II. Volume operators
[J].
CLASSICAL AND QUANTUM GRAVITY,
2000, 17 (06)
:1509-1526