00624cam 2200229 450 1991624http://id.bnportugal.gov.pt/bib/porbase/199162420030517174400.00-19-503267-576003PTBN0067867719941018d1983 m y0pory0103 baengGBMathematical snapshotsH. Steinhaus3ª ed. americanaOxfordOxford University1983311 p.il.21 cm372.851medfre35503751medfre288051SteinhausHugo220651PTBNRPC51 STEcoopESELmq767110bccoopESEL109810EEL8-377