000 00423nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a510
_bAm512
100 _aTakeuchi Mitsuhiro
245 _aOn Villamayor and Zelinsky's long exact sequence
260 _aN Y
_bAMS
_c1981
440 _aAmerican Mathematical Society: Memoirs; 249
650 _aMathematics
942 _cBK
999 _c2911
_d2911