@article{ZNSL_2020_493_a18,
     author = {A. V. Popov and V. A. Baskakov and D. V. Prokopovich},
     title = {Parametric resonance and theory of {Bragg} waveguides},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {288--300},
     publisher = {mathdoc},
     volume = {493},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2020_493_a18/}
}