Babich, V. M., Ed.
Mathematical problems in wave propagation theory part 2 - New York Consultants Bureau 1971 - 119 - Seminars in mathematics ; volume 15 .
Bobc3:2 L0.1 L0.3
53:51 MAT
Mathematical problems in wave propagation theory part 2 - New York Consultants Bureau 1971 - 119 - Seminars in mathematics ; volume 15 .
Bobc3:2 L0.1 L0.3
53:51 MAT