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An Improved closing lemma and a general density theorem
Ch. C. Pugh
Citation:
Ch. C. Pugh, “An Improved closing lemma and a general density theorem”, Matematika, 12:6 (1968), 136–146; Am. J. Math., 89 (1967), 1010–1021
Linking options:
https://www.mathnet.ru/eng/mat491 https://www.mathnet.ru/eng/mat/v12/i6/p136
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