%0 Journal Article %A Ilkay Yaslan Karaca %A Dondu Oz %T Upper and lower solutions for second-order with m-point impulsive boundary value problems %J Filomat %D 2021 %P 4327 %V 35 %N 13 %U http://geodesic.mathdoc.fr/articles/10.2298/FIL2113327K/ %R 10.2298/FIL2113327K %G en %F 10_2298_FIL2113327K