LetD(v)dentethemaximumnumberofquintuplesofav-setofpointsXwiththepropertythateverypairofdistinctpointsofXoccursinatmostonequintuple,LetB(v)=[v(v-1)/4]/5],ItisshownisthispaperthatD(v)=B(v)forallv≡0(mod4)with2exceptionsand13possibleexceptions.
高校应用数学学报：英文版（B辑）
1994年4期
