Nikolov, Geno, and Rumen Uluchev. 2017. “ESTIMATES FOR THE BEST CONSTANT IN A MARKOV $L_2$–INEQUALITY WITH THE ASSISTANCE OF COMPUTER ALGEBRA”. Ann. Sofia Univ. Fac. Math. And Inf. 104 (December):55-75. https://annual.uni-sofia.bg/index.php/fmi/article/view/37.