@article{TRSPY_2000_231_a8,
     author = {V. G. Kanovei and M. Reeken},
     title = {On {Ulam's} {Problem} of {Stability} of {Non-exact} {Homomorphisms}},
     journal = {Informatics and Automation},
     pages = {249--283},
     publisher = {mathdoc},
     volume = {231},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2000_231_a8/}
}