@article{MAN_1986__274_164119,
     author = {Michael Oberguggenberger},
     title = {Weak {Limits} of {Solutions} to {Semilinear} {Hyperbolic} {Sytems.}},
     journal = {Mathematische Annalen},
     pages = {599--608},
     publisher = {mathdoc},
     volume = {274},
     year = {1986},
     zbl = {0597.35012},
     url = {http://geodesic.mathdoc.fr/item/MAN_1986__274_164119/}
}