@article{MZM_2000_67_4_a3,
     author = {D. V. Gorbachev and V. I. Ivanov},
     title = {An extremum problem for polynomials related to codes and designs},
     journal = {Matemati\v{c}eskie zametki},
     pages = {508--513},
     publisher = {mathdoc},
     volume = {67},
     number = {4},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2000_67_4_a3/}
}