1961/01/01 by Grigore Călugăreanu, G. Călugăreanu · 6 citations
Mathematics · #Geometric and Algebraic Topology
paper · doi:10.21136/cmj.1961.100486
crossref issued 1961/01/01 · crossref published 1961/01/01 · crossref published-print 1961/01/01 · openalex publication_date 1961/01/01 · crossref published-online 2008/01/01 · crossref created 2020/08/07 · crossref deposited 2020/08/07 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/23 · crossref indexed 2026/07/26