@article{articlee6c6959c, title = {Fisher matrix for multiple tracers: the information in the cross-spectra}, author = {Abramo, Luis Raul Weber and Ferri, Joao Vitor Dinarte and Tashiro, Ian Lucas}, year = {2022}, doi = {10.1088/1475-7516/2022/04/013}, publisher = {IOP Publishing}, journal = {Journal of Cosmology and Astroparticle Physics} }