Gravitational Collapse and Space-Time Singularities by Roger Penrose
= Gravitational Collapse and Space-Time Singularities by Roger Penrose
{c}
{tag=Work by Roger Penrose}
{title2=1965}
Physical Review Letters 14, 57–59.
https://the-center-of-gravity.com/documents/144/Roger-Penrose_Gravitational_collapse_and_spacetime_singularities.pdf