@unpublished{FladGriebel2025,
  author = {Flad, Heinz-Jürgen and Griebel, Michael},
  title = {Small distance behavior of one-particle {G}reen’s functions in electronic structure theory},
  annote = {article, inspreprint},
  note = {Available as INS Preprint No. 2501},
  inspreprintnum = {2501},
  year = {2025}
}