Direct and inverse problems of electromagnetic and acoustic wave theory [Текст] : proc. of XIX Intern. seminar/workshop on, Tbilisi, Georgia, Sept. 22-25, 2014 / Ivane Javakhishvili Tbilisi State Univ., Georgia, Pidstryhach Inst. for Appl. Problems of Mech. and Math., NASU, Ukraine, IEEE MTT/ED/AP/EMS Georgian Chap., IEEE MTT/ED/AP/CPMT/SSC West Ukraine Chap. — Tbilisi, 2014.