01001nam0-2200361-i-450-99000976881040332120131003134427.0000976881FED01000976881(Aleph)000976881FED0100097688120131003d1950----km-y0itay50------baengUSa---a---001yyDifferential algebraJoseph Fels RittNew YorkAmerican Mathematical Society1950VIII, 184 p.25 cmColloquium publications33Algebra differenzialeEquazioni differenziali ordinariepresentazione di ricerche512.5621itaRitt,Joseph Fels520949ITUNINAREICATUNIMARCBK990009768810403321C-36-(33566MA1MA112H0512-0234-01Differential algebra831871UNINA