@article{MABA_1989_3_3-4_a9,
     author = {Ch. Athanasiadis},
     title = {Acoustic {Scattering} {Theory} for a {Multi-Layered} {Scatterer} in {Low-Frequency}},
     journal = {Mathematica balkanica},
     pages = {337},
     publisher = {mathdoc},
     volume = {3},
     number = {3-4},
     year = {1989},
     url = {http://geodesic.mathdoc.fr/item/MABA_1989_3_3-4_a9/}
}