1989/12/01 by Roger Penrose, ROGER PENROSE · 4 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Noncommutative and Quantum Gravity Theories
paper · doi:10.1111/j.1749-6632.1989.tb50513.x
crossref issued 1989/12/01 · crossref published 1989/12/01 · crossref published-print 1989/12/01 · openalex publication_date 1989/12/01 · crossref published-online 2006/12/17 · crossref created 2006/12/17 · crossref deposited 2023/09/25 · openalex created_date 2025/10/10 · crossref indexed 2026/07/29 · openalex updated_date 2026/08/01