@article{NUMA_1987__51_133213,
     author = {Hans-Peter Helfrich},
     title = {Error {Estimates} for {Semidiscrete} {Galerkin} {Type} {Approximations} for {Semilinear} {Evolution} {Equations} with {Nonsmooth} {Initial} {Data.}},
     journal = {Numerische Mathematik},
     pages = {559--570},
     publisher = {mathdoc},
     volume = {51},
     year = {1987},
     zbl = {0648.65078},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1987__51_133213/}
}