@book{5423, author = {Busard, Hubertus Lambertus Ludovicus}, url = {http://bibnum.enc.sorbonne.fr/omeka/tires-a-part/127644768}, title = {The Arithmetica of Jordanus Nemorarius}, address = {[S.l]}, publisher = {[S.n]}, year = {[19..]} }