000 00452nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a510
_bAm512
100 _aYang Deane
245 _aInvolutive hyperbolic differential systems
260 _aN Y
_bAMS
_c1987
300 _axi,93p
440 _aAmerican Mathematical Society: Memoirs; 370
650 _aHyperbolic differential systems
942 _cBK
999 _c6692
_d6692