%0 Journal Article %A Ward, Doug %T The Quantificational Tangent Cones %J Canadian journal of mathematics %D 1988 %P 666-694 %V 40 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1988-029-6/ %R 10.4153/CJM-1988-029-6 %F 10_4153_CJM_1988_029_6