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On Solid ToriPapakyriakopoulos, C. D. · Proceedings of the London Mathematical Society · 1957
On the Ends of Knot GroupsC. D. Papakyriakopoulos · Annals of Mathematics (Second Series) · 1955
Some problems on 3-dimensional manifoldsPapakyriakopoulos, C. D. · Bulletin of the American Mathematical Society · 1958
Attaching 2-Dimensional Cells to a ComplexC. D. Papakyriakopoulos · Annals of Mathematics (Second Series) · 1963
On Dehn's Lemma and the Asphericity of KnotsC. D. Papakyriakopoulos · Annals of Mathematics (Second Series) · 1957
ON DEHN'S LEMMA AND THE ASPHERICITY OF KNOTSPapakyriakopoulos, C. D. · Proceedings of the National Academy of Sciences · 1957
A Reduction of the Poincare Conjecture to Group Theoretic ConjecturesC. D. Papakyriakopoulos · Annals of Mathematics (Second Series) · 1963
On Dehn's Lemma and the Asphericity of KnotsC. D. Papakyriakopoulos · Proceedings of the National Academy of Sciences of the United States of America · 1957
A local method in group cohomologyP. J. Webb · Commentarii Mathematici Helvetici · 1987
BuchanzeigenCommentarii Mathematici Helvetici · 1987
On the level of projective spacesA. Pfister; S. Stolz · Commentarii Mathematici Helvetici · 1987
Free ℚ/ℤ actionsShmuel Weinberger · Commentarii Mathematici Helvetici · 1987
New link invariants and applicationsKent E. Orr · Commentarii Mathematici Helvetici · 1987
Reduction of isolated singularitiesErnst Dieterich · Commentarii Mathematici Helvetici · 1987