@article{DAN_1980_251_1_a2,
     author = {V. G. Doronin and A. A. Ligun},
     title = {On the exact solution of some extremal problems on classes of functions determined by integral moduli of continuity},
     journal = {Doklady Akademii Nauk},
     pages = {16--19},
     publisher = {mathdoc},
     volume = {251},
     number = {1},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_251_1_a2/}
}