### Criterions for the best non-symmetric $$$L_p$$$- and $$$L_1$$$-approximant for the functions with values in KB-spaces with weight

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Kroo A. "A General Approach to the Study of Chebyshev Subspaces in $$$L_1$$$-Approximation of Continuous Functions", *J. Approx. Theory*, 1987; 51: pp. 98-111.

Pinkus A. *$$$L_1$$$-Approximation*, Cambridge, 1989; 239 p.

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Babenko V.F., Tkachenko M.Ye. "Problems of unicity of the best non-symmetric $$$L_1$$$-approximant of continuous functions with values in KB-spaces", *Ukrainian Math. J.*, 2008; 60(7): pp. 867-878. (in Russian)

Vulikh B.Z. *Introduction to the theory of semi-ordered spaces*, Moscow, 1961; 407 p. (in Russian)

Tkachenko M.Ye., Traktyns'ka V.M., Shkuratyuk K.O. "Criterion of the best non-symmetric $$$L_1$$$-approximant of continuous functions with values in KB-spaces", *Proc. of International Conf. "Spring Scientific Readings, Part 1"*, Kyiv, 2016; pp. 31-36. (in Ukrainian)

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