%0 Journal Article %A Harary, Frank %A Tutte, William T. %T A Dual form of Kuratowski's Theorem %J Canadian mathematical bulletin %D 1965 %P 17-20 %V 8 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1965-003-3/ %R 10.4153/CMB-1965-003-3 %F 10_4153_CMB_1965_003_3