On the Existence of Rigid Spheres in Four-Dimensional Spacetime Manifolds
Crossref DOI link: https://doi.org/10.1007/s10013-016-0185-z
Published Online: 2016-02-22
Published Print: 2016-03
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Gittel, Hans-Peter
Jezierski, Jacek
Kijowski, Jerzy
Text and Data Mining valid from 2016-02-22