@article{EUG_1996_45_a9,
     author = {Kiriakie Kiriaki and  Vassilios Sevroglou},
     title = {Integral {Equation} {Methods} in {Obstacle} {Elastic} {Scattering}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {57--69},
     year = {1996},
     volume = {45},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1996_45_a9/}
}