共 4 条
[1]
COURANT R, 1966, METHODS MATHEMATICAL, V2, P449
[2]
SINGULARITIES OF GRAVITATIONAL COLLAPSE AND COSMOLOGY
[J].
PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES,
1970, 314 (1519)
:529-&
[4]
WITTEN L, 1962, GRAVITATION INTRO CU, P402