@article{DAN_1995_342_4_a6,
     author = {S. G. Samko},
     title = {Differentiation and integration of variable (fractional) order},
     journal = {Doklady Akademii Nauk},
     pages = {458--460},
     publisher = {mathdoc},
     volume = {342},
     number = {4},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_342_4_a6/}
}