%0 Journal Article %A Ghidaglia, J. M. %T Explicit upper and lower bounds on the number of degrees of freedom for damped and driven cubic Schrödinger equations %J ESAIM: Modélisation mathématique et analyse numérique %D 1989 %P 433-443 %V 23 %N 3 %I AFCET - Gauthier-Villars %C Paris %U http://www.numdam.org/item/M2AN_1989__23_3_433_0/ %G en %F M2AN_1989__23_3_433_0