@article{MAN_1982__260_163685,
     author = {H. Leptin and D. M\"uller},
     title = {Schranken f\"ur verschr\"ankte {Faltungsoperatoren..}},
     journal = {Mathematische Annalen},
     pages = {511--519},
     publisher = {mathdoc},
     volume = {260},
     year = {1982},
     zbl = {0477.46038},
     url = {http://geodesic.mathdoc.fr/item/MAN_1982__260_163685/}
}