@article{MZM_1991_49_2_a2,
     author = {L. P. Bocharova and V. S. Vankova and N. M. Dobrovol'skii},
     title = {Computation of the optimal coefficients},
     journal = {Matemati\v{c}eskie zametki},
     pages = {23--28},
     publisher = {mathdoc},
     volume = {49},
     number = {2},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1991_49_2_a2/}
}