Dyfyniad APA

Bluman, G. W., & Bluman, G. W. K. (1989). Symmetries and differential equations. Springer.

Dyfyniad Arddull Chicago

Bluman, George W., and George W.; Kumei Bluman. Symmetries and Differential Equations. New York: Springer, 1989.

Dyfyniad MLA

Bluman, George W., and George W.; Kumei Bluman. Symmetries and Differential Equations. Springer, 1989.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.