000 00278 a2200121 4500
035 _a
090 _c28091
_d28091
100 _aStam, A. J
245 _aOna conjecture by Harris
_c A. J. Stam
260 _aS. l
_bS. e
_cS. a
300 _apag. dif
_c28 cm
942 _aIMAR
_cCART
_sSN
999 _c27796
_d27796