books.google.com.au - A study of difference equations and inequalities. This second edition offers real-world examples and uses of difference equations in probability theory, queuing and statistical problems, stochastic time series, combinatorial analysis, number theory, geometry, electrical networks, quanta in radiation,...http://books.google.com.au/books/about/Difference_Equations_and_Inequalities.html?id=xMaAqOWMgXkC&utm_source=gb-gplus-shareDifference Equations and Inequalities
