%0 Journal Article %A Ivanova-Rohling, Violeta %T Theoretical Properties of a Neighborhood-based Approach for Widening %J Serdica Journal of Computing %D 2020 %P 65-91 %V 14 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJC_2020_14_3-4_a0/ %G en %F SJC_2020_14_3-4_a0