APA citáció

Graef John R. & Yang Bo. (2008). Existence and nonexistence of positive solutions of a nonlinear third order boundary value problem.

Chicago Style (17th ed.) Citation

Graef John R. and Yang Bo. Existence and Nonexistence of Positive Solutions of a Nonlinear Third Order Boundary Value Problem. 2008.

MLA idézés

Graef John R. and Yang Bo. Existence and Nonexistence of Positive Solutions of a Nonlinear Third Order Boundary Value Problem. 2008.