@article{AA_2020_32_4_a6,
     author = {B. A. Plamenevskii and A. S. Poretskii},
     title = {Radiation and scattering in electromagnetic waveguides near thresholds},
     journal = {Algebra i analiz},
     pages = {234--270},
     publisher = {mathdoc},
     volume = {32},
     number = {4},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2020_32_4_a6/}
}