@article{DAN_1991_320_1_a18,
     author = {V. P. Shestopalov and N. P. Yashina and I. E. Pochanina},
     title = {Interaction and forced natural oscillations of open waveguide},
     journal = {Doklady Akademii Nauk},
     pages = {90--95},
     year = {1991},
     volume = {320},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_320_1_a18/}
}