000 00302nam a2200097Ia 4500
008 220816s9999||||xx |||||||||||||| ||und||
020 _a9780821892831 (online)
245 0 _aHyperbolic problems :
260 _aProvidence, R.I. :
_bAmerican Mathematical Society,
_c2009
300 _a1 online resource (2 v. : ill.)
999 _c970
_d970