@article{AFM_1987_12_1_a8,
     author = {Matti Lehtinen},
     title = {On maximal and minimal quasisymmetric functions on an interval},
     journal = {Annales Fennici Mathematici},
     pages = {77--83},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {1987},
     doi = {10.5186/aasfm.1987.1218},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1987.1218/}
}