text New York John Wiley Sons 1959 Ind xiii, 267 p.: ill.; 23 cm. xiii, 267 p.: ill.; 23 cm. ACTON, Forman S. MATHEMATICAL METHODS 519.2 519.2ACIa INLIS000000000011539 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)