Two structures based on convexities on the 2-sphere
Crossref DOI link: https://doi.org/10.1134/S0001434617070185
Published Online: 2017-10-26
Published Print: 2017-07
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Dulliev, A. M.
License valid from 2017-07-01