@article{10_4064_ap_18_3_293_298,
     author = {Chang Ho-Ling},
     title = {Error estimations for certain approximate solutions of a non-linear partial differential equation of the first order},
     journal = {Annales Polonici Mathematici},
     pages = {293--298},
     publisher = {mathdoc},
     volume = {18},
     number = {3},
     year = {1966},
     doi = {10.4064/ap-18-3-293-298},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-18-3-293-298/}
}