%0 Journal Article
%A A. M. Semikhatov
%A B. L. Feigin
%T Free-field resolutions of unitary representations of the $N=2$ Virasoro algebra: II.~The butterfly resolution
%J Teoretičeskaâ i matematičeskaâ fizika
%D 1999
%P 244-257
%V 121
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TMF_1999_121_2_a1/
%G ru
%F TMF_1999_121_2_a1