Artin, M.; Mazur, B. On the van Kampen theorem. (English) Zbl 0138.18301 Topology 5, 179-189 (1966). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 31 Documents Keywords:topology × Cite Format Result Cite Review PDF Full Text: DOI