%0 Journal Article %A V. O. Koval' %T Partitioning of plane sets into $6$ subsets of small diameter %J Zapiski Nauchnykh Seminarov POMI %D 2020 %P 100-123 %V 497 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2020_497_a4/ %G ru %F ZNSL_2020_497_a4