%0 Journal Article %A L. P. Kuptsov %T Averaging operators and partial differential equations %J Informatics and Automation %D 1987 %P 145-146 %V 180 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a83/ %G ru %F TRSPY_1987_180_a83