@article{FladGriebel2025, doi = {10.1088/1751-8121/adeb19}, url = {https://doi.org/10.1088/1751-8121/adeb19}, year = {2025}, publisher = {IOP Publishing}, volume = {58}, number = {29}, pages = {295203}, author = {Flad, Heinz-Jürgen and Griebel, Michael}, title = {Small distance behaviour of one-particle {G}reen’s functions in electronic structure theory}, journal = {Journal of Physics A: Mathematical and Theoretical} }