%0 Journal Article %A Leonardo Fabio Chacón-Cortes %T The Problem of the First Passage Time for Some Elliptic Pseudodifferential Operators Over the p-adics %J Revista colombiana de matematicas %D 2014 %P 191-209 %V 48 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RCM_2014_48_2_a3/ %F RCM_2014_48_2_a3