@incollection{JEDP_1992____A17_0,
     author = {Demuth, Michael and Jeske, Frank and Kirsch, Werner},
     title = {Quantitative estimates for {Schr\"odinger} and {Dirichlet} semigroups},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {17},
     pages = {1--6},
     publisher = {Ecole polytechnique},
     year = {1992},
     zbl = {0770.60073},
     language = {en},
     url = {http://archive.numdam.org/item/JEDP_1992____A17_0/}
}