Friedlander, F.G..
The Wave Equation on a curved space-time / - 1st ed / - Cambridge : Cambridge University Press. - p.282,vii :
0-521-20567-0
Wave
B7:55 / L5F
The Wave Equation on a curved space-time / - 1st ed / - Cambridge : Cambridge University Press. - p.282,vii :
0-521-20567-0
Wave
B7:55 / L5F