On Parallel Ruled Surfaces in Minkowski 3-Space and Their Retractions.
| Autor: | El-Ahmady, A. E.1 a.e-elahmady@yahoo.com, Raslan, Malak E.2 atm-zidan@yahoo.com, M-Zidan, A. T.2 |
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| Zdroj: | International Journal of Mathematical Combinatorics. Dec2021, Vol. 4, p1-10. 10p. |
| Databáze: | Academic Search Ultimate |
| Externí odkaz: |
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