00541     2200181   4500001002100000005001500021035002000036008004100056245008000097100001600177260005300193300002600246020001800272084001800290082001200308650002500320990001400345INLIS00000000000044120260225113605  a0010-0317000439260225                           0      1 aAn introduction to differential equations with difference ... /cN. Finizio  aFinizio, N.  aWadsworth :bWadsworth Publishing Company,c1982  axvi,484 hlm. ;c24 cm  a0 534 00960 3  a515.352 Fin i  a515.352  aALJABAR DIFFERENSIAL  a156289112