TY - JOUR AU - A. V. Mishin TI - Generalized derivative and its use for analysis of the microstructure of a heterogeneous medium JO - Sibirskij žurnal industrialʹnoj matematiki PY - 2021 SP - 79 EP - 96 VL - 24 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJIM_2021_24_4_a5/ LA - ru ID - SJIM_2021_24_4_a5 ER -