Bluman, G. W., & Bluman, G. W. K. (1989). Symmetries and differential equations. Springer.
Chicago Edition CitationBluman, George W., and George W.; Kumei Bluman. Symmetries and Differential Equations. New York: Springer, 1989.
MLA Edition CitationBluman, George W., and George W.; Kumei Bluman. Symmetries and Differential Equations. Springer, 1989.
Warning: These citations may not always be 100% accurate.