@article{10_4064_ap77_1_6,
     author = {Gerd Herzog and Roland Lemmert},
     title = {Second order differential inequalities in {Banach} spaces},
     journal = {Annales Polonici Mathematici},
     pages = {69--78},
     publisher = {mathdoc},
     volume = {77},
     number = {1},
     year = {2001},
     doi = {10.4064/ap77-1-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap77-1-6/}
}