%0 Journal Article %A Nadezhda A. Zhuk %A Vladimir P. Lutoev %A Dmitriy S. Beznosikov %A Andrey N. Nizovtsev %A Lubov V. Rychkova %T Magnetic susceptibility and EPR study of Bi$_5$Nb$_{3-3x}$Co$_{3x}$O$_{15-\delta}$ %J Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika %D 2020 %P 342-349 %V 13 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/JSFU_2020_13_3_a7/ %G en %F JSFU_2020_13_3_a7