Towards a library of synthetic galaxy spectra and preliminary results of classification and parametrization of unresolved galaxies for Gaia
P. Tsalmantza, M. Kontizas, C. A. L. Bailer-Jones, B. Rocca-Volmerange, R. Korakitis, E. Kontizas, E. Livanou, A. Dapergolas, I. Bellas-Velidis, A. Vallenari and M. Fioc