@article{IVM_1998_7_a10,
     author = {Yu. M. Vazhenin and Yu. V. Nagrebetskaya},
     title = {On critical theories of groups and monoids in integer-valued matrices},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {77--79},
     publisher = {mathdoc},
     number = {7},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1998_7_a10/}
}