Vol. VII No. 1 Febrero 1991mathesis.digital/wp-content/uploads/2018/12/Vol.-VII-No.-1-Febrero... · Ubiratan D' Ambrosio (Universidade Estadual de Campinas, Brasil) Joseph Dauben

Page 1 <img data-url='document/vol-vii-no-1-febrero-ubiratan-d-ambrosio-universidade-estadual-de-campinas.html?page=1' data-page='1' class='cut-thumb lazyload' alt='Page 1: Vol. VII No. 1 Febrero 1991mathesis.digital/wp-content/uploads/2018/12/Vol.-VII-No.-1-Febrero... · Ubiratan D' Ambrosio (Universidade Estadual de Campinas, Brasil) Joseph Dauben' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader030.cupdf.com/reader030/viewer/2022022715/5c1403e809d3f224238d5468/html5/thumbnails/1.jpg' width='140' height='200' /> Page 2 <img data-url='document/vol-vii-no-1-febrero-ubiratan-d-ambrosio-universidade-estadual-de-campinas.html?page=2' data-page='2' class='cut-thumb lazyload' alt='Page 2: Vol. VII No. 1 Febrero 1991mathesis.digital/wp-content/uploads/2018/12/Vol.-VII-No.-1-Febrero... · Ubiratan D' Ambrosio (Universidade Estadual de Campinas, Brasil) Joseph Dauben' 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src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader030.cupdf.com/reader030/viewer/2022022715/5c1403e809d3f224238d5468/html5/thumbnails/5.jpg' width='140' height='200' /> Page 6 <img data-url='document/vol-vii-no-1-febrero-ubiratan-d-ambrosio-universidade-estadual-de-campinas.html?page=6' data-page='6' class='cut-thumb lazyload' alt='Page 6: Vol. VII No. 1 Febrero 1991mathesis.digital/wp-content/uploads/2018/12/Vol.-VII-No.-1-Febrero... · Ubiratan D' Ambrosio (Universidade Estadual de Campinas, Brasil) Joseph Dauben' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader030.cupdf.com/reader030/viewer/2022022715/5c1403e809d3f224238d5468/html5/thumbnails/6.jpg' width='140' height='200' /> Page 7 <img 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