Lakshmikantham, V. (1974). An Introduction to nonlinear boundary value problems. Academic Press.
Chicago-referens (17:e uppl.)Lakshmikantham, V. An Introduction to Nonlinear Boundary Value Problems. New York: Academic Press, 1974.
MLA-referens (9:e uppl.)Lakshmikantham, V. An Introduction to Nonlinear Boundary Value Problems. Academic Press, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.