F. John. Partial differential equations.
Trích dẫn kiểu ChicagoF. John. Partial Differential Equations.
MLA引文F. John. Partial Differential Equations.
警告：這些引文格式不一定是100％准確.
APA引文
F. John. Partial differential equations.
Trích dẫn kiểu ChicagoF. John. Partial Differential Equations.
MLA引文F. John. Partial Differential Equations.