@article{article92b64ff3, title = {Linear FDEs in the frame of generalized ODEs: variation-of-constants formula}, author = {Collegari, Rodolfo and Federson, Marcia and Frasson, Miguel Vinicius Santini}, year = {2018}, doi = {10.21136/CMJ.2018.0023-17}, journal = {Czechoslovak Mathematical Journal} }