@article{SM_1972_17_2_a4,
     author = {V. I. Danilov},
     title = {On~rings with a~discrete divisor class group},
     journal = {Sbornik. Mathematics},
     pages = {228--236},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {1972},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1972_17_2_a4/}
}