G. B. Jeffery and G. Hamel. Brief Biographies 2009, Vol. 5, No. 1, pp. 135-136 Citation: G. B. Jeffery and G. Hamel. Brief Biographies, Rus. J. Nonlin. Dyn., 2009, Vol. 5, No. 1, pp. 135-136 DOI:10.20537/nd0901015 Download File PDF, 60.64 Kb This work is licensed under a Creative Commons Attribution-NoDerivs 3.0 Unported License