%0 Journal Article %A V. Yu. Perfil'eva %T A simplified theory of circular plane piezoceramics filter with sectional electrodes %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1989 %P 95-96 %N 3 %U http://geodesic.mathdoc.fr/item/VMUMM_1989_3_a29/ %G ru %F VMUMM_1989_3_a29