%0 Journal Article %A S. Ya. Novikov %T Sequence spaces $l_{p,q}$ in parabolistic characterizations of the weak type operators %J Zapiski Nauchnykh Seminarov POMI %D 2001 %P 160-191 %V 282 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2001_282_a11/ %G ru %F ZNSL_2001_282_a11