@article{1242651897,
author = {Hong, Shihuang},
title = {Periodic Boundary Value Problems for Second Order Differential Equations},
journal = {Rocky Mountain J. Math.},
volume = {39},
number = {1},
year = {2009},
pages = { 843-852},
language = {en},
url = {http://dml.mathdoc.fr/item/1242651897}
}
Hong, Shihuang. Periodic Boundary Value Problems for Second Order Differential Equations. Rocky Mountain J. Math., Tome 39 (2009) no. 1, pp. 843-852. http://gdmltest.u-ga.fr/item/1242651897/