[1]
BabenkoV.F. and TkachenkoM.E. 2008. Problem of uniqueness of an element of the best nonsymmetric <i>L</i><sub> 1</sub>-approximation of continuous functions with values in <i>KB</i&gt; -spaces. Ukrains’kyi Matematychnyi Zhurnal. 60, 7 (Jul. 2008), 867 -.