%0 Journal Article %A A. V. Mishin %T Generalized derivative and its use for analysis of the microstructure of a heterogeneous medium %J Sibirskij žurnal industrialʹnoj matematiki %D 2021 %P 79-96 %V 24 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJIM_2021_24_4_a5/ %G ru %F SJIM_2021_24_4_a5