@article{TSG_1987-1988__6__91_0,
     author = {Fran\c{c}oise Truc},
     title = {Probl\`emes variationnels non convexes en dualit\'e {(\'Equation} des coques ; syst\`emes gyroscopiques)},
     journal = {S\'eminaire de th\'eorie spectrale et g\'eom\'etrie},
     pages = {91--107},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {6},
     year = {1987-1988},
     doi = {10.5802/tsg.60},
     zbl = {0900.49027},
     mrnumber = {1046261},
     language = {fr},
     url = {https://proceedings.centre-mersenne.org/articles/10.5802/tsg.60/}
}