%0 Journal Article %A I. A. Popovyan %T Optimal logarithmic functions for lifting of a~solution of an exponential congruence %J Diskretnaya Matematika %D 2007 %P 51-62 %V 19 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_2007_19_2_a4/ %G ru %F DM_2007_19_2_a4