\Bibitem{Dol89} \by V.~L.~Dol'nikov \paper A theorem of Helly type for sets defined by systems of equations \jour Mat. Zametki \yr 1989 \vol 46 \issue 5 \pages 13--16 \mathnet{http://mi.mathnet.ru/mzm3618} \mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=1033416} \zmath{https://zbmath.org/?q=an:0737.05076} \transl \jour Math. Notes \yr 1989 \vol 46 \issue 5 \pages 837--840 \crossref{https://doi.org/10.1007/BF01139614} \isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=A1989DT64100003}