@article{ISU_2011_11_4_a8,
     author = {A. I. Velmisova and M. V. Wilde and I. V. Kirillova},
     title = {Propagation and reflection of harmonic waves in a~plane acoustic layer with non-homogeneous flexible walls},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {68--73},
     publisher = {mathdoc},
     volume = {11},
     number = {4},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2011_11_4_a8/}
}