Ghoussoub, Nassif.
Duality and Perturbation Methods in Critical Point Theory - Cambridge CUP 1993 - 258 - Cambridge tracts in mathematics ; 00107 .
0521440254
514.7 GHO
Duality and Perturbation Methods in Critical Point Theory - Cambridge CUP 1993 - 258 - Cambridge tracts in mathematics ; 00107 .
0521440254
514.7 GHO