JournalsaihpcVol. 1, No. 2Volume 1, No. 2 (1984) Annales de l'Institut Henri Poincaré Cpp. 79–107Quasi-minimaMariano GiaquintaEnrico Giustipp. 109–145The concentration-compactness principle in the Calculus of Variations. The locally compact case, part 1.P.L. Lions
pp. 109–145The concentration-compactness principle in the Calculus of Variations. The locally compact case, part 1.P.L. Lions