@article{MAN_1993__297_3_165151,
     author = {P. Kr\"oger and K.-Th. Sturm},
     title = {H\"older continuity of normalized solutions of the {Schr\"od{\'\i}nger} equation.},
     journal = {Mathematische Annalen},
     pages = {663--670},
     year = {1993},
     volume = {297},
     number = {3},
     zbl = {0822.35033},
     url = {http://geodesic.mathdoc.fr/item/MAN_1993__297_3_165151/}
}