@article{VMUMM_1994_3_a7,
     author = {E. P. Dolzhenko and E. A. Sevast'yanov},
     title = {On the definition of {Chebyshev} snakes},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {49--59},
     publisher = {mathdoc},
     number = {3},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1994_3_a7/}
}