%0 Journal Article %A Györfi, László %A Krzyżak, Adam %T Why $L_1$ view and what is next? %J Kybernetika %D 2011 %P 840-854 %V 47 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_2011__47_6_a2/ %G en %F KYB_2011__47_6_a2