@article{TIMM_2024_30_4_a3,
     author = {V. V. Arestov},
     title = {A variant of {Stechkin's} problem on the best approximation of a fractional order differentiation operator on the axis},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {37--54},
     year = {2024},
     volume = {30},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2024_30_4_a3/}
}