000 00242 a2200109 4500
035 _a
090 _c29984
_d29984
245 _aWorks on functional equations
260 _as. l
_bs.e
_c1972
300 _apag. dif
_c25 cm
942 _aIMAR
_cCART
_sSN
999 _c29685
_d29685