Gaya APA
Petter, L., H., K., P., G. (2016).
Scaling of differential equations .
Cham, Switzerland:
Springer Open.
Gaya MLA
Langtangen, Hans, Petter., Pedersen, Geir, K..
"Scaling of differential equations".
Cham, Switzerland:
Springer Open,
2016.
Electronic Resource.