Protect DFTK citation (#1139)

Author: Technici4n

CITATION.bib

@@ -3,7 +3,7 @@ @article{DFTKjcon
   author = {Herbst, Michael F. and Levitt, Antoine and Cancès, Eric},
   doi = {10.21105/jcon.00069},
   journal = {Proc. JuliaCon Conf.},
-  title = {DFTK: A Julian approach for simulating electrons in solids},
+  title = {{DFTK}: A {Julian} approach for simulating electrons in solids},
   volume = {3},
   pages = {69},
   year = {2021},
@@ -22,6 +22,17 @@ @article{ResponseCalculations
   publisher={Springer}
 }
 
+% Paper describing the inexact Krylov algorithm used in the `solve_ΩplusK_split` response calculation
+@misc{InexactKrylovResponse,
+  title={Efficient {Krylov} methods for linear response in plane-wave electronic structure calculations},
+  author={Michael F. Herbst and Bonan Sun},
+  year={2025},
+  eprint={2505.02319},
+  archivePrefix={arXiv},
+  primaryClass={math.NA},
+  url={https://arxiv.org/abs/2505.02319},
+}
+
 % Paper describing the energy cutoff smearing method `BlowupCHV`
 @article{BlowupCHV,
   author={Canc{\`e}s, Eric and Hassan, Muhammad and Vidal, Laurent},

docs/src/publications.md

@@ -11,7 +11,7 @@ The current DFTK reference paper to cite is
   author = {Michael F. Herbst and Antoine Levitt and Eric Cancès},
   doi = {10.21105/jcon.00069},
   journal = {Proc. JuliaCon Conf.},
-  title = {DFTK: A Julian approach for simulating electrons in solids},
+  title = {{DFTK}: A {Julian} approach for simulating electrons in solids},
   volume = {3},
   pages = {69},
   year = {2021},