000 00437nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a510
_bAm512
100 _aBerger M A
245 _aMethod of generalized characteristics
260 _aN Y
_bAMS
_c1982
440 _aAmerican Mathematical Society: Memoirs; 266
650 _aMathematics
700 _aSloan A D
_4Auth.
942 _cBK
999 _c2928
_d2928