@article{10_4064_ap_61_1_39_57,
     author = {Xingbao Wu},
     title = {Qualitative investigation of nonlinear differential equations describing infiltration of water},
     journal = {Annales Polonici Mathematici},
     pages = {39--57},
     publisher = {mathdoc},
     volume = {61},
     number = {1},
     year = {1995},
     doi = {10.4064/ap-61-1-39-57},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-61-1-39-57/}
}