https://avesis.ogu.edu.tr/yayin/d21a8f30-3480-4be5-96ae-f3bb2e22480f/intrinsic-equations-for-a-generalized-relaxed-elastic-line-due-to-the-b-darboux-frame-on-an-oriented-surface
Intrinsic Equations for a Generalized Relaxed Elastic Line Due to the B-Darboux Frame on an...
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