Author: Filippakis, Michael E.
- 
Filippakis, Michael E.; Papageorgiou, Nikolaos S.:
		A nonlinear periodic system with nonsmooth potential of indefinite sign.
		
			(English).
Archivum Mathematicum,
		vol. 42
			(2006),
			issue 3,
		pp. 205-213
- 
Filippakis, Michael E.; Papageorgiou, Nikolaos S.:
		Periodic solutions for differential inclusions in ${\Bbb R}^N$.
		
			(English).
Archivum Mathematicum,
		vol. 42
			(2006),
			issue 2,
		pp. 115-123
- 
Filippakis, Michael E.:
		Periodic solutions for systems with nonsmooth and partially coercive potential.
		
			(English).
Archivum Mathematicum,
		vol. 42
			(2006),
			issue 3,
		pp. 225-232
 
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