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LibreCat: https://research-explorer.ista.ac.at/record/7806
DOI: 10.1137/1.9781611975994.47

Zhechev, Stephan Y. “Algorithmic Aspects of Homotopy Theory and Embeddability.”https://doi.org/10.15479/AT:ISTA:6681__Institute of Science and Technology Austria, 2019.https://doi.org/10.15479/AT:ISTA:6681 .
LibreCat: https://research-explorer.ista.ac.at/record/6681
DOI: 10.15479/AT:ISTA:6681

Filakovský, Marek, Peter Franek, Uli Wagner, and Stephan Y Zhechev. “Computing Simplicial Representatives of Homotopy Group Elements.”https://doi.org/10.1007/s41468-018-0021-5__Journal of Applied and Computational Topology. Springer, 2018.https://doi.org/10.1007/s41468-018-0021-5 .
LibreCat: https://research-explorer.ista.ac.at/record/6774
DOI: 10.1007/s41468-018-0021-5