@article{AFM_1982_7_1_a0,
     author = {Olli Lehto},
     title = {Preface},
     journal = {Annales Fennici Mathematici},
     pages = {5--5},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {1982},
     doi = {10.5186/aasfm.1982.0701},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1982.0701/}
}