01221nas a2200313 i 450099100265519970753620231114121055.0011205c19719999cau|| | |eng d0095-8956b11689572-39ule_instPERLE004714ExLCDU 518.54CDU 519Journal of combinatorial theory. Series B :Graph theory. Matroid theoryJournal of combinatorial theory. Series B :Graph theory. Matroid theory. - 1971-San Diego,1971-Pubblicato anche in formato elettronicoAccesso elettronico: LE013 1971- Codice CNR: P 00046148LE013 1984;J. Combin. theory. Ser. BJournal of combinatorial theoryhttp://www.sciencedirect.com/science/journal/00958956E-journal (Available from 1971 to - on ScienceDirect Site).b1168957202-02-2208-07-02991002655199707536LE0131le013-E0.00-no 180000.i1191968108-07-02Journal of combinatorial theory794179UNISALENTOle01301-01-01sa -engcau01