@article{DM_2007_19_1_a6,
     author = {A. V. Akishin},
     title = {Incompatible transformations of principal ideal rings},
     journal = {Diskretnaya Matematika},
     pages = {50--59},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2007_19_1_a6/}
}