Pugh, « An Improved Closing Lemma and a General Density Theorem », American Journal of Mathematics, vol. 89, no 4, , p. 1010–1021 (ISSN0002-9327, DOI10.2307/2373414, JSTOR2373414)
Pugh, « An Improved Closing Lemma and a General Density Theorem », American Journal of Mathematics, vol. 89, no 4, , p. 1010–1021 (ISSN0002-9327, DOI10.2307/2373414, JSTOR2373414)
jstor.org
Pugh, « An Improved Closing Lemma and a General Density Theorem », American Journal of Mathematics, vol. 89, no 4, , p. 1010–1021 (ISSN0002-9327, DOI10.2307/2373414, JSTOR2373414)