%0 Journal Article %A Livorni, Elvira Laura %T Classification of Algebraic Surfaces withSectional Genus less than or Equal to Six.II: Ruled Surfaces with dim φKx⊗L(x) = l %J Canadian journal of mathematics %D 1986 %P 1110-1121 %V 38 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1986-055-5/ %R 10.4153/CJM-1986-055-5 %F 10_4153_CJM_1986_055_5