TY - JOUR T1 - On the Existence of Functions with Prescribed Best $L_1$ Approximations AU - Ying-Guang Shi JO - Journal of Computational Mathematics VL - 4 SP - 341 EP - 345 PY - 1983 DA - 1983/01 SN - 1 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/jcm/9711.html KW - AB - This paper gives a partial answer to a problem of Rivlin in $L_1$ approximation.