Heyting, A. (1980). Axiomatic projective geometry.- 2nd ed. (2nd ed.). P. Noordhoff ; sole distributors for the U.S.A. and Canada, Elsevier North-Holland.
शिकागो स्टाइल उद्धरणHeyting, A. Axiomatic Projective Geometry.- 2nd Ed. 2nd ed. Groningen : New York: P. Noordhoff ; sole distributors for the U.S.A. and Canada, Elsevier North-Holland, 1980.
एमएलए उद्धरणHeyting, A. Axiomatic Projective Geometry.- 2nd Ed. 2nd ed. P. Noordhoff ; sole distributors for the U.S.A. and Canada, Elsevier North-Holland, 1980.
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