@article{00022182,
title = {Unique solution of periodic boundary value problems.},
journal = {Journal of Applied Mathematics and Stochastic Analysis},
volume = {4},
year = {1991},
pages = {129-136},
doi = {10.1155/S1048953391000096},
zbl = {0741.34009},
language = {en},
url = {http://dml.mathdoc.fr/item/00022182}
}
Sun, Yong. Unique solution of periodic boundary value problems.. Journal of Applied Mathematics and Stochastic Analysis, Tome 4 (1991) pp. 129-136. doi : 10.1155/S1048953391000096. http://gdmltest.u-ga.fr/item/00022182/