@article{FPM_2005_11_2_a5,
     author = {V. B. Demidovich and G. G. Magaril-Il'yaev and V. M. Tikhomirov},
     title = {Extremal problems for linear functionals on the {Tchebycheff} spaces},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {87--100},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2005_11_2_a5/}
}