000 00321 a2200121 4500
035 _a
090 _c26092
_d26092
100 _aFelzenszwalb, B
245 _aF- algebraic extensions of rings
_c B. Felzenszwalb
260 _aRio de Janeiro
_bInstituto de matematica
_c1983
300 _a18 p
_c29 cm
942 _aIMAR
_cCART
_sSN
999 _c25798
_d25798