Nonlinear nonlocal equations in theory of waves by Naumkin, Pavel Ivanovich, Šišmarëv, I. A. fromTranslations of mathematical monographs 0 Type: Book
The wave equation on a curved space-time by Friedlander, Friedrich Gerhart fromCambridge monographs on mathematical physics 0 Type: Book
Asymptotic wave theory by Roseau, Maurice fromNorth-Holland series in applied mathematics and mechanics 0 Type: Book
