[1] Harshbarger, R.J.-Reynolds, J.J.: Calculus with Applications. D.C.Heath
and Company, Lexington1990. ISBN 0-669-21145-1
[2] James, G.: Modern Engineering Mathematics. Addison-Wesley, 1992. ISBN 0-
201-1805456
[3] http://mdg.vsb.cz/portal/en/Mathematics2.pdf