TY - BOOK AU - Kelley, Walter G. TI - Difference equations: an introduction with application SN - 9788131202333 (pbk) U1 - 515.35 PY - 2012/// CY - Boston PB - Elsevier KW - Mathematics KW - Differential equations KW - Difference calculus KW - Linear difference equations KW - Stability theory KW - Linear equation KW - Boundary value problems KW - Discrete calculus KW - Math KW - FBS N1 - Includes index ER -