@article{MZM_1972_12_5_a13,
     author = {Yu. A. Drozd},
     title = {Indecomposable second-order matrix rings with a finite number of bass representations},
     journal = {Matemati\v{c}eskie zametki},
     pages = {601--604},
     publisher = {mathdoc},
     volume = {12},
     number = {5},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1972_12_5_a13/}
}