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চ্যাট করা চালিয়ে যানComplete system of invariants of a parametric figure in the three dimensional Minkowski space - https://avesis.ktu.edu.tr/yayin/8efd2df1-beb0-4f84-bb4a-d0497c06b9f8/complete-system-of-invariants-of-a-parametric-figure-in-the-three-dimensional-minkowski-space