@article{MZM_2004_75_3_a18,
     author = {M. A. Cheshkova},
     title = {On {Pairs} of {Hypersurfaces} in {Euclidean} {Space}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {474--475},
     year = {2004},
     volume = {75},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2004_75_3_a18/}
}