A generalized upper and lower solutions method for nonlinear second order ordinary differential equations.
Nieto, Juan J. ; Cabada, Alberto
Journal of Applied Mathematics and Stochastic Analysis, Tome 5 (1992), p. 157-165 / Harvested from The Electronic Library of Mathematics
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Publié le : 1992-01-01
DOI : https://doi.org/10.1155/S1048953392000133
EUDML-ID : urn:eudml:doc:47192 
@article{00094155,
     title = {A generalized upper and lower solutions method for nonlinear second order ordinary differential equations.},
     journal = {Journal of Applied Mathematics and Stochastic Analysis},
     volume = {5},
     year = {1992},
     pages = {157-165},
     doi = {10.1155/S1048953392000133},
     zbl = {0817.34016},
     language = {en},
     url = {http://dml.mathdoc.fr/item/00094155}
}

Nieto, Juan J.; Cabada, Alberto. A generalized upper and lower solutions method for nonlinear second order ordinary differential equations.. Journal of Applied Mathematics and Stochastic Analysis, Tome 5 (1992) pp. 157-165. doi : 10.1155/S1048953392000133. http://gdmltest.u-ga.fr/item/00094155/