@article{NUMA_1974__23_132308,
     author = {L. Wahlbin},
     title = {Error {Estimates} for a {Galerkin} {Method} for a {Class} of {Model} {Equations} for {Long} {Waves.}},
     journal = {Numerische Mathematik},
     pages = {289--304},
     publisher = {mathdoc},
     volume = {23},
     year = {1974},
     zbl = {0283.65052},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1974__23_132308/}
}