G-essence cosmologies with scalar-fermion interactions Olga Razina, Yerlan Myrzakulov, Nurzhan Serikbayev, Shynaray Myrzakul, Gulgasyl Nugmanova and Ratbay Myrzakulov Eur. Phys. J. Plus, 126 9 (2011) 85 Published online: 16 September 2011 DOI: 10.1140/epjp/i2011-11085-9