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Approximation of maps into spheres by piecewise-regular maps of class C^k. (arXiv:1808.07087v1 [math.AG]) http://arxiv.org/abs/1808.07087
Approximation of maps into spheres by piecewise-regular maps of class C^k. (arXiv:1808.07087v1 [math.AG]) http://arxiv.org/abs/1808.07087