@incollection{JEDP_1994____A6_0, author = {Siedentop, Heinz}, 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 = {http://archive.numdam.org/item/JEDP_1994____A6_0/} }