000 00446nam a2200157Ia 4500
008 220718s1988||||xx |||||||||||||| ||und||
020 _a0123073308
082 _a10.05
_bGUNT
100 1 _aGunther, P
245 1 _aHuygens' principle & hyperbolic equations
_cP. Gunther
260 _aBoston
_bAcademic Press
_c1988
300 _alvii
_e847
490 _aPerspectives in mathematics 5
690 _aHyperbolic Equations
942 _cBK
999 _c15503
_d15503