00334nam 2206550 45000010005000000030023000050050009000280080041000370820011000781000021000892600021001102450083001316550StarLibrary Marc Built20180503201711 ||||| |||||||||||amh  a515.35 aM Urray R Spiege bny: mc gh c1994 aTheory And Problems Of Calculus Of Finite Differences And Difference Equations