Direct and inverse problems in wave propagation and applications / edited by Ivan Graham, Ulrich Langer, Jens Markus Melenk, Mourad Sini. — 1 online resource. — Доступ по паролю из сети Интернет (чтение, печать, копирование). — <URL:https://elib.spbstu.ru/ebsco/pdf/661697.pdf>. — Текст: электронный
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