Update README.md

README.md

@@ -6,4 +6,6 @@ license: apache-2.0
 Датасет собранный из матетматических олимпиад разного уровня, class означает происхождение задачи по уровню олимпиады.
 
 
-Dataset collected from matetmatic olympiads of different levels, class means the origin of the problem by the level of the olympiad.
+Dataset collected from matetmatic olympiads of different levels, class means the origin of the problem by the level of the olympiad.
+
+Cite: @article{nikolich2024vikhr, title={Vikhr: The Family of Open-Source Instruction-Tuned Large Language Models for Russian}, author={Aleksandr Nikolich and Konstantin Korolev and Artem Shelmanov and Igor Kiselev}, journal={arXiv preprint arXiv:2405.13929}, year={2024}, url={https://arxiv.org/pdf/2405.13929} }