@article{MET_1972__18_175508,
     author = {P. Fischer},
     title = {On the {Inequality} ...pi f(pi) > piif(qi).},
     journal = {Metrika},
     pages = {199--208},
     year = {1972},
     volume = {18},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MET_1972__18_175508/}
}