FIX: english improvements

Author: Ilia Lazarev

bibliography.bib

@@ -1,4 +1,4 @@
-% Encoding: UTF-8
+% Encoding: UTF-8
 
 
 @article{akshay2020,
@@ -1124,5 +1124,27 @@ @article{zhu2018
  volume = {10},
  year = {2018}
 }
-
-@Comment{jabref-meta: databaseType:bibtex;}
+
+@Article{byrnes2018,
+  author    = {Tim Byrnes and Gary Forster and Louis Tessler},
+  title     = {Generalized Grover's Algorithm for Multiple Phase Inversion States},
+  journal   = {Physical Review Letters},
+  year      = {2018},
+  volume    = {120},
+  pages     = {060501},
+  publisher = {American Physical Society ({APS})},
+}
+
+@Article{preskill2018,
+  author    = {John Preskill},
+  title     = {Quantum Computing in the {NISQ} era and beyond},
+  journal   = {Quantum},
+  year      = {2018},
+  volume    = {2},
+  pages     = {79},
+  month     = {aug},
+  doi       = {10.22331/q-2018-08-06-79},
+  publisher = {Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften},
+}
+
+@Comment{jabref-meta: databaseType:bibtex;}