Email this article 
Ruled algebraic surfaces with a main frame from three superellipses - PDF (Russian)
Copyright (c) 2022 Mamieva I.A.
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Copyright (c) 2022 Mamieva I.A.
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.