Zarzuela, Santiago2019-05-072019-05-0719820214-1493https://hdl.handle.net/2445/132769The study of elementary functions, that is, of those functions built up by using rational functions over l, Exponentials, logarithms and algebraic operatons, began somewhat sistematically with the diverse works that Joseph Liouville did in the 1830's.11 p.application/pdfeng(c) Universitat Autònoma de Barcelona, 1982Àlgebra diferencialDifferential algebrainfo:eu-repo/semantics/article0020342019-05-07info:eu-repo/semantics/openAccess