%0 Journal Article %A L. N. Deryugin %A A. V. Chekan %T General waveguide theory and the limit resolution of multiray spectrum analyzers %J Doklady Akademii Nauk %D 1969 %P 807-810 %V 184 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_184_4_a11/ %G ru %F DAN_1969_184_4_a11