Drabek, P., & Milota, J. (2007). Methods of normal forms: Applications to differential equations. Basel: Birkhauser.
Παραπομπή Chicago StyleDrabek, Pavel, and Jaroslav Milota. Methods of Normal Forms: Applications to Differential Equations. Basel: Birkhauser, 2007.
Παραπομπή MLADrabek, Pavel, and Jaroslav Milota. Methods of Normal Forms: Applications to Differential Equations. Basel: Birkhauser, 2007.
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