@article{MABA_1999_13_1-2_a9,
     author = {S. M. El-Sayed},
     title = {On the {Multi-Integral} {Iteration} {Methods} for {Solving} a {Non-Linear} {Differential} {Methods}},
     journal = {Mathematica balkanica},
     pages = {99},
     publisher = {mathdoc},
     volume = {13},
     number = {1-2},
     year = {1999},
     url = {http://geodesic.mathdoc.fr/item/MABA_1999_13_1-2_a9/}
}