%0 Journal Article %A Bhatta, S. Parameshwara %A Ramananda, H. S. %T Natural extension of a congruence of a lattice to its lattice of convex sublattices %J Archivum mathematicum %D 2011 %P 133-138 %V 47 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_2011__47_2_a6/ %G en %F ARM_2011__47_2_a6