@article{DAN_1977_237_1_a10,
     author = {L. E. Mal'tsev},
     title = {Method of double application of {Chebyshev} polynomials},
     journal = {Doklady Akademii Nauk},
     pages = {44--47},
     year = {1977},
     volume = {237},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_237_1_a10/}
}