@article{RM_1982_37_4_a7,
     author = {N. I. Dubrovin},
     title = {On chain rings},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {107--108},
     publisher = {mathdoc},
     volume = {37},
     number = {4},
     year = {1982},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1982_37_4_a7/}
}