Fernando Ferreira, Gilda Ferreira. The Riemann Integral in Weak Systems of Analysis. J. UCS, 14(6):908-937, 2008.
@article{FerreiraF08, title = {The Riemann Integral in Weak Systems of Analysis}, author = {Fernando Ferreira and Gilda Ferreira}, year = {2008}, tags = {analysis}, researchr = {https://researchr.org/publication/FerreiraF08}, cites = {0}, citedby = {0}, journal = {J. UCS}, volume = {14}, number = {6}, pages = {908-937}, }