%0 Journal Article %A P. Bowcock %A G. Watts %T Null vectors, 3-point and 4-point functions in conformal field theory %J Teoretičeskaâ i matematičeskaâ fizika %D 1994 %P 500-508 %V 98 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1994_98_3_a17/ %G ru %F TMF_1994_98_3_a17