@article{MZ_1994__215_1_174608,
     author = {J. Bergh},
     title = {A converse inequality of {H\"older} type.},
     journal = {Mathematische Zeitschrift},
     pages = {205--208},
     year = {1994},
     volume = {215},
     number = {1},
     zbl = {0804.26017},
     url = {http://geodesic.mathdoc.fr/item/MZ_1994__215_1_174608/}
}