@inproceedings{BOROUN:2012Kn, author = "BOROUN, Gholam Reza", title = "{Two approach to the ratio of the charm structure functions}", doi = "10.22323/1.166.0069", booktitle = "Proceedings of The XIth International Conference on Heavy Quarks and Leptons {\textemdash} PoS(HQL 2012)", year = 2012, volume = "166", pages = "069" }