01131nam a2200325 i 450099100081439970753620020507173928.0960916s1991 us ||| | eng 0124033253b10760957-39ule_instLE01302730ExLDip.to Matematicaeng515.625AMS 39A11AMS 39A10AMS 39A12QA431.K44Kelley, Walter G.41289Difference equations :an introduction with applications /Walter G. Kelley, Allan C. PetersonBoston :Academic Press,c1991xi, 455 p. :ill. ;25 cmIncludes bibliographical references (p. 433-451) and indexDifference equationsPeterson, Allan C..b1076095712-07-0728-06-02991000814399707536LE013 39A KEL11 (1991)12013000067919le013-E0.00-l- 03030.i1085618328-06-02Difference equations923051UNISALENTOle01301-01-96ma -engus 01