\Bibitem{Pet17} \by A.~Petrunin \paper In search of a~five-point Alexandrov type condition \jour Algebra i Analiz \yr 2017 \vol 29 \issue 1 \pages 296--298 \mathnet{http://mi.mathnet.ru/aa1531} \mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=3660693} \elib{https://elibrary.ru/item.asp?id=28960981} \transl \jour St. Petersburg Math. J. \yr 2018 \vol 29 \issue 1 \pages 223--225 \crossref{https://doi.org/10.1090/spmj/1490} \isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=000419174700013} \scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-85040045044}