@article{10_4064_ap_15_2_143_151,
     author = {S. Brzychczy},
     title = {Some theorems on second order partial differential inequalities of parabolic type},
     journal = {Annales Polonici Mathematici},
     pages = {143--151},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {1964},
     doi = {10.4064/ap-15-2-143-151},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-15-2-143-151/}
}