Electronic Journal of Qualitative Theory of Differential Equations [electronic only], Tome 2003 (2003),
/ Harvested from The Electronic Library of Mathematics
@article{02186199,
title = {Construction of non-constant lower and upper functions for impulsive periodic problems.},
journal = {Electronic Journal of Qualitative Theory of Differential Equations [electronic only]},
volume = {2003},
year = {2003},
zbl = {1072.34027},
language = {en},
url = {http://dml.mathdoc.fr/item/02186199}
}
Rachunkova, Irena; Tvrdý, Milan. Construction of non-constant lower and upper functions for impulsive periodic problems.. Electronic Journal of Qualitative Theory of Differential Equations [electronic only], Tome 2003 (2003) . http://gdmltest.u-ga.fr/item/02186199/