@article{10_4064_ap_3_2_349_354,
     author = {W. Mlak},
     title = {Differential inequalities of parabolic type},
     journal = {Annales Polonici Mathematici},
     pages = {349--354},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {1956},
     doi = {10.4064/ap-3-2-349-354},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-3-2-349-354/}
}