@article{10_1023_A_1021757823679, author = {de Oliveira Castro, Nelson Nery and de Andrade, Nirzi G.}, title = {Periodic solutions of a nonlinear evolution problem}, journal = {Applications of Mathematics}, pages = {381--396}, publisher = {mathdoc}, volume = {47}, number = {5}, year = {2002}, doi = {10.1023/A:1021757823679}, mrnumber = {1924676}, zbl = {1090.35548}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.1023/A:1021757823679/} }