%0 Journal Article %A J. H. Qiu %A S. Rolewicz %T Ekeland's variational principle in locally $p$-convex spaces and related results %J Studia Mathematica %D 2008 %P 219-235 %V 186 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm186-3-2/ %R 10.4064/sm186-3-2 %G en %F 10_4064_sm186_3_2