@article{10_4064_ap_9_1_101_111,
     author = {W. Mlak},
     title = {Differential inequalities with unbounded operators in {Banach} spaces},
     journal = {Annales Polonici Mathematici},
     pages = {101--111},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {1960},
     doi = {10.4064/ap-9-1-101-111},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-9-1-101-111/}
}