%0 Journal Article %A B. V. Simonov %T On the Element of Best Nonsymmetric Approximation in Spaces with Nonsymmetric Quasinorm %J Matematičeskie zametki %D 2003 %P 902-912 %V 74 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2003_74_6_a10/ %G ru %F MZM_2003_74_6_a10