@article{BASM_2017_2_a5, author = {V. I. Arnautov and G. N. Ermakova}, title = {Unrefinable chains when taking the infimum in the lattice of ring topologies for a~nilpotent ring}, journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica}, pages = {71--76}, publisher = {mathdoc}, number = {2}, year = {2017}, language = {en}, url = {http://geodesic.mathdoc.fr/item/BASM_2017_2_a5/} }