Cita APA (7a ed.)

(1974). An introduction to nonlinear boundary value problems / Stephen R. Bernfeld, V. Lakshmikantham.

Cita Chicago Style (17a ed.)

An Introduction to Nonlinear Boundary Value Problems / Stephen R. Bernfeld, V. Lakshmikantham. 1974.

Cita MLA (9a ed.)

An Introduction to Nonlinear Boundary Value Problems / Stephen R. Bernfeld, V. Lakshmikantham. 1974.