@article{ARM_2011__47_2_a6, author = {Bhatta, S. Parameshwara and Ramananda, H. S.}, title = {Natural extension of a congruence of a lattice to its lattice of convex sublattices}, journal = {Archivum mathematicum}, pages = {133--138}, publisher = {mathdoc}, volume = {47}, number = {2}, year = {2011}, mrnumber = {2813539}, zbl = {1249.06007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_2011__47_2_a6/} }