@incollection{JEDP_1994____A6_0,
     author = {Heinz Siedentop},
     title = {Electronic density at the nucleus. {On} a conjecture of {Lieb}},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {6},
     pages = {1--7},
     publisher = {\'Ecole polytechnique},
     year = {1994},
     language = {en},
     url = {https://proceedings.centre-mersenne.org/item/JEDP_1994____A6_0/}
}