Gaya APA
Willi-hans, S. (2007).
Continuous Symmetries, Lie Algebras, Differential Equations and Computer Algebra .
Singapura:
World Scientific.
Gaya MLA
Willi-hans, Steeb.
"Continuous Symmetries, Lie Algebras, Differential Equations and Computer Algebra".
Singapura:
World Scientific,
2007.
Text.