@article{DAN_1992_325_3_a0,
     author = {A. A. Egorov},
     title = {On the stability of classes of affine mappings},
     journal = {Doklady Akademii Nauk},
     pages = {425--427},
     publisher = {mathdoc},
     volume = {325},
     number = {3},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1992_325_3_a0/}
}