Christodulu, D. C. (2000). The action principle and partial differential equations. Princeton University Press. https://doi.org/10.1515/9781400882687
Chicago-Zitierstil (17. Ausg.)Christodulu, Dēmētrēs Ch. The Action Principle and Partial Differential Equations. Princeton, NJ: Princeton University Press, 2000. https://doi.org/10.1515/9781400882687.
MLA-Zitierstil (9. Ausg.)Christodulu, Dēmētrēs Ch. The Action Principle and Partial Differential Equations. Princeton University Press, 2000. https://doi.org/10.1515/9781400882687.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.