A. Kreuml, O. Mordhorst:
"Fractional perimeters on the sphere";
Discrete And Continuous Dynamical Systems, 41 (2021), 11; 5439 - 5454.
http://dx.doi.org/10.3934/dcds.2021083Electronic version of the publication:
https://www.aimsciences.org/article/doi/10.3934/dcds.2021083