@article{FPM_2010_16_8_a0,
     author = {V. I. Arnautov},
     title = {Properties of finite unrefinable chains of ring topologies},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {5--16},
     publisher = {mathdoc},
     volume = {16},
     number = {8},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2010_16_8_a0/}
}