Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) WADA Koichi and IWASE Atsuchi and KAWAGUCHI Kimio,A Mixed 4-partition Problem for 2-edge-connected Graphs,IEICE technical report. Theoretical foundations of Computing,,"The Institute of Electronics, Information and Communication Engineers",1996-01-26,95,498,39-48,https://cir.nii.ac.jp/crid/1573105977190850432,