\Bibitem{Bra86} \by L.~L.~Branickaya \paper On the limit distributions of the third degree polinomials \jour Teor. Veroyatnost. i Primenen. \yr 1986 \vol 31 \issue 4 \pages 808--811 \mathnet{http://mi.mathnet.ru/tvp1693} \mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=881594} \zmath{https://zbmath.org/?q=an:0664.60029|0623.60032} \transl \jour Theory Probab. Appl. \yr 1987 \vol 31 \issue 4 \pages 715--717 \crossref{https://doi.org/10.1137/1131099} \isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=A1987K866700019}