\Bibitem{Pan88} \by D.~I.~Panyushev \paper Resolution of singularities of affine normal quasihomogeneous $SL_2$-varieties \jour Funktsional. Anal. i Prilozhen. \yr 1988 \vol 22 \issue 4 \pages 94--95 \mathnet{http://mi.mathnet.ru/faa1165} \mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=977009} \zmath{https://zbmath.org/?q=an:0703.14031} \transl \jour Funct. Anal. Appl. \yr 1988 \vol 22 \issue 4 \pages 338--339 \crossref{https://doi.org/10.1007/BF01077435} \isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=A1988AJ09200019}