%0 Journal Article %A E. A. Ivanov %A A. V. Moshinskii %T The solution of a certain boundary value problem of the theory of a rectangular waveguide that is excited by an active UHF element %J Differencialʹnye uravneniâ %D 1975 %P 323-331 %V 11 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1975_11_2_a12/ %G ru %F DE_1975_11_2_a12