%0 Journal Article %A Lopes, Orlando %T Nonlocal variational problems arising in long wave propagation %J ESAIM: Control, Optimisation and Calculus of Variations %D 2000 %P 501-528 %V 5 %I EDP-Sciences %U http://www.numdam.org/item/COCV_2000__5__501_0/ %G en %F COCV_2000__5__501_0