Reading
Syds?ter, K., P. Hammond, A. Seierstad, A. Str?m: Further mathematics for economic analysis, 2005. FT Prentice Hall. ISBN:?0-273-65576-0. Sections 1.7, 1.8, 11.1—11.4, 11.7, 12.1—12.3, 12.6, 12.7, 13.1—13.6.
Taylor, Howard M. and Samuel Karlin: An Introduction to Stochastic Modeling, 3rd ed., 1998. Academic Press. Sections 3.1—3.6, 4.1—4.5.