@article{ZNSL_1976_61_a9,
     author = {J. J. Ma\v{c}ys},
     title = {Sharpness of bounds of stability for {Raikov's} theorem},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {102--107},
     publisher = {mathdoc},
     volume = {61},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1976_61_a9/}
}