@article{ZVMMF_2005_45_5_a10, author = {E. V. Dyukova}, title = {On the number of irreducible coverings of an integer matrix}, journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki}, pages = {935--940}, publisher = {mathdoc}, volume = {45}, number = {5}, year = {2005}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/ZVMMF_2005_45_5_a10/} }