On the circle covering theorem by A.W. Goodman and R.E. Goodman
A. Akopyan, A. Balitskiy, M. Grigorev, Discrete &; Computational Geometry 59 (2018) 1001–1009.
LibreCat: https://research-explorer.ista.ac.at/record/1064
DOI: 10.1007/s00454-017-9883-x
WoS: 000432205500011

Finding non-orientable surfaces in 3-Manifolds
B. Burton, A.N. de Mesmay, U. Wagner, Discrete &; Computational Geometry 58 (2017) 871–888.
LibreCat: https://research-explorer.ista.ac.at/record/534
DOI: 10.1007/s00454-017-9900-0
arXiv: 1602.07907

Algorithmic solvability of the lifting extension problem
M. cadek, M. Krcál, L. Vokínek, Discrete &; Computational Geometry 54 (2017) 915–965.
LibreCat: https://research-explorer.ista.ac.at/record/1073
DOI: 10.1007/s00454-016-9855-6
WoS: 000400072700008