\RBibitem{Bur80} \by М.~С.~Бургин \paper Свободные алгебры с~непрерывными системами операций \jour УМН \yr 1980 \vol 35 \issue 3(213) \pages 147--151 \mathnet{http://mi.mathnet.ru/rm3510} \mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=580634} \zmath{https://zbmath.org/?q=an:0449.22001|0458.22003} \adsnasa{https://adsabs.harvard.edu/cgi-bin/bib_query?1980RuMaS..35..179B} \transl \jour Russian Math. Surveys \yr 1980 \vol 35 \issue 3 \pages 179--184 \crossref{https://doi.org/10.1070/RM1980v035n03ABEH001831} \isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=A1980MQ83600020}