%0 Journal Article %A Leal, C. %T Concentrated forces. Asymptotic study %J ESAIM: Mathematical Modelling and Numerical Analysis %D 1990 %P 403-421 %V 24 %N 3 %I AFCET - Gauthier-Villars %C Paris %U http://geodesic.mathdoc.fr/item/M2AN_1990__24_3_403_0/ %G en %F M2AN_1990__24_3_403_0