TY - JOUR AU - N. B. Pleschinskii AU - E. A. Osipov TI - Summatory and integral equations in periodic problems of the diffraction of elastic waves by defects in layered media JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2008 SP - 76 EP - 82 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2008_9_a8/ LA - ru ID - IVM_2008_9_a8 ER -