%0 Journal Article %A Dmitry G. Orlovsky %T Parameter determination in a differential equation of fractional order with Riemann--Liouville fractional derivative in a Hilbert space %J Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika %D 2015 %P 55-63 %V 8 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JSFU_2015_8_1_a7/ %G en %F JSFU_2015_8_1_a7