@article{ZVMMF_1997_37_6_a2,
     author = {Yu. G. Bulychev and A. G. Zhukovskiǐ},
     title = {New properties of the {Chebyshev} polynomials and their applications in variational methods},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {670--678},
     publisher = {mathdoc},
     volume = {37},
     number = {6},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1997_37_6_a2/}
}