Symmetric and antisymmetric nonlinear modes supported by dual local gain in lossy latticesK.W. Chow, Edwin Ding, B.A. Malomed and A.Y.S. TangEur. Phys. J. Special Topics, 223 1 (2014) 63-77DOI: https://doi.org/10.1140/epjst/e2014-02084-3