@inproceedings{Kataev:201017, author = "Kataev, Andrei and Mikhailov, Sergey", title = "{New extended Crewther-type relation}", doi = "10.22323/1.092.0036", booktitle = "Proceedings of RADCOR 2009 - 9th International Symposium on Radiative Corrections (Applications of Quantum Field Theory to Phenomenology) {\textemdash} PoS(RADCOR2009)", year = 2010, volume = "092", pages = "036" }