%0 Journal Article %A Yehuda Pinchover %T On uniqueness and nonuniqueness of the positive Cauchy problem for parabolic equations with unbounded coefficients. %J Mathematische Zeitschrift %D 1996 %P 569-586 %V 223 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1996__223_3_174938/ %F MZ_1996__223_3_174938