@article{MM2_1989__63_3_155393,
     author = {Alain Haraux},
     title = {Anti-periodic solutions of some nonlinear evolution equations.},
     journal = {Manuscripta mathematica},
     pages = {479--505},
     publisher = {mathdoc},
     volume = {63},
     number = {3},
     year = {1989},
     zbl = {0684.35010},
     url = {http://geodesic.mathdoc.fr/item/MM2_1989__63_3_155393/}
}