%0 Journal Article %A M. Yu. Volokobinskii %T Electrical and thermal fields in graded materials %J Doklady Akademii Nauk %D 1993 %P 165-166 %V 331 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1993_331_2_a9/ %G ru %F DAN_1993_331_2_a9