@article{10_2298_FIL2113327K,
     author = {Ilkay Yaslan Karaca and Dondu Oz},
     title = {Upper and lower solutions for second-order with m-point impulsive boundary value problems},
     journal = {Filomat},
     pages = {4327 },
     year = {2021},
     volume = {35},
     number = {13},
     doi = {10.2298/FIL2113327K},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2113327K/}
}