Babich, V.M.,Ed.
Mathematical problems in wave propagation theory part 3 - New York Consultants Bureau 1972 - 139 - Seminars in mathematics ; volume 17 .
Bobc3:2 L0.1 L0.3
53:51 MAT
Mathematical problems in wave propagation theory part 3 - New York Consultants Bureau 1972 - 139 - Seminars in mathematics ; volume 17 .
Bobc3:2 L0.1 L0.3
53:51 MAT