\Bibitem{Zhi86} \by M.~Ya.~Zhitomirskii \paper Smooth and holomorphic linearization of exterior differential $1$-forms \jour Funktsional. Anal. i Prilozhen. \yr 1986 \vol 20 \issue 2 \pages 65--66 \mathnet{http://mi.mathnet.ru/faa1278} \mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=847145} \zmath{https://zbmath.org/?q=an:0608.58003} \transl \jour Funct. Anal. Appl. \yr 1986 \vol 20 \issue 2 \pages 139--141 \crossref{https://doi.org/10.1007/BF01077273} \isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=A1986F457800013}