@article{AFM_1987_12_1_a4,
     author = {Edgar Reich},
     title = {The composition of harmonic mappings},
     journal = {Annales Fennici Mathematici},
     pages = {47--53},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {1987},
     doi = {10.5186/aasfm.1987.1230},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1987.1230/}
}