%0 Journal Article %A Yu. V. Gulyaev %A E. P. Kurushin %A E. I. Nefedov %T Variational method of calculation of the waveguiding structures with electromagnetic and magnetostatic waves %J Doklady Akademii Nauk %D 1981 %P 67-70 %V 257 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_257_1_a15/ %G ru %F DAN_1981_257_1_a15