@article{CMH_1985__60_140031,
     author = {Michael Struwe},
     title = {On the evolution of harmonic mappings of {Riemannian} surfaces.},
     journal = {Commentarii mathematici Helvetici},
     pages = {558--581},
     publisher = {mathdoc},
     volume = {60},
     year = {1985},
     zbl = {0595.58013},
     url = {http://geodesic.mathdoc.fr/item/CMH_1985__60_140031/}
}