Boyce, W. E. D. Elementary Differential Equations and Boundary Value Problems, Global Edition. Wiley.
Chicago-referens (17:e uppl.)Boyce, William E; Diprima. Elementary Differential Equations and Boundary Value Problems, Global Edition. Wiley.
MLA-referens (9:e uppl.)Boyce, William E; Diprima. Elementary Differential Equations and Boundary Value Problems, Global Edition. Wiley.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.