@article{10_4064_ap94_1_5,
     author = {Adrian Karpowicz},
     title = {Carath\'eodory solutions of hyperbolic functional differential
 inequalities with first order derivatives},
     journal = {Annales Polonici Mathematici},
     pages = {53--78},
     publisher = {mathdoc},
     volume = {94},
     number = {1},
     year = {2008},
     doi = {10.4064/ap94-1-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap94-1-5/}
}