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Continue to ChatThe spacelike ruled surfaces with Darboux frame in E3_1 - https://avesis.gelisim.edu.tr/yayin/4d86eb5e-3e57-495e-b62f-251401bd4b18/the-spacelike-ruled-surfaces-with-darboux-frame-in-e3-1
The spacelike ruled surfaces with Darboux frame in E3_1 - https://avesis.gelisim.edu.tr/yayin/4d86eb5e-3e57-495e-b62f-251401bd4b18/the-spacelike-ruled-surfaces-with-darboux-frame-in-e3-1