@article{MZM_1987_41_3_a3,
     author = {N. P. Kuptsov},
     title = {Exact constants in the inequalities between norms of functions and their derivatives},
     journal = {Matemati\v{c}eskie zametki},
     pages = {313--319},
     publisher = {mathdoc},
     volume = {41},
     number = {3},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1987_41_3_a3/}
}