@article{MM2_1975__17_154362,
     author = {Hans-J\"urgen Reinhardt},
     title = {On the {Existence} of {Generalized} {Solutions} and the {Convergence} of {Difference} {Methods} for {Nonlinear} {Initial-Value} {Problems.}},
     journal = {Manuscripta mathematica},
     pages = {151--170},
     publisher = {mathdoc},
     volume = {17},
     year = {1975},
     zbl = {0335.65043},
     url = {http://geodesic.mathdoc.fr/item/MM2_1975__17_154362/}
}