http://catalogo.fi.uba.ar/cgi-bin/koha/opac-search.pl?q=ccl=callnum%3A%22517.5%2C%20C563%22%20and%20su-to%3ASERIES%5BMATEMATICAS%5D&format=rss2 3 0 50 ISBN http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=885 By Churchill, Ruel V.. New York : McGraw-Hill, 1941 . ix, 206 p. : 23 cm.

]]> http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=885 ISBN http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=2675 By Churchill, Ruel V.. Madrid : Castillo, 1966 . 256 p. : , Incluye tabla de materias | Traducido de la segunda edición en inglés 23 cm.

]]> http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=2675 ISBN http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=7059 By Churchill, Ruel V.. New York : McGraw-Hill, 1963 . viii, 248 p. : , Problemas al final de cada capítulo 24 cm..

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