@article{MM2_1990__69_1_155546,
     author = {Harmut Pecher},
     title = {Global smooth solutions to a class of semilinear wave equations with strong nonlinearities.},
     journal = {Manuscripta mathematica},
     pages = {71--92},
     publisher = {mathdoc},
     volume = {69},
     number = {1},
     year = {1990},
     zbl = {0722.35058},
     url = {http://geodesic.mathdoc.fr/item/MM2_1990__69_1_155546/}
}