@article{TRSPY_1992_193_a4,
     author = {V. I. Arnautov and A. V. Mikhalev},
     title = {Questions on the possibility of extending the topologies of a~ring and of a~semigroup to their semigroup ring},
     journal = {Informatics and Automation},
     pages = {22--27},
     publisher = {mathdoc},
     volume = {193},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1992_193_a4/}
}