@article{ZVMMF_1986_26_4_a8,
     author = {A. E. Poedinchuk and V. P. Shestopalov and N. P. Yashina},
     title = {On the spectral theory of a coaxial-waveguide resonator},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {552--562},
     publisher = {mathdoc},
     volume = {26},
     number = {4},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1986_26_4_a8/}
}