@article{ZNSL_1990_186_a7,
     author = {V. V. Zalipaev and M. M. Popov},
     title = {Wood's anomalies in the scattering problem of a plane wave on a smooth periodic boundary},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {87--100},
     publisher = {mathdoc},
     volume = {186},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1990_186_a7/}
}