00278pam a2200109 a 4500020000500000040001600005041000800021100002100029245006500050260004400115300000900159 c aSGUJ_395007 aENG aCollins, Peter J aDifferential and Integral EquationscPeter J. CollinshPaper aNew YorkbOxford University Pressc2008 a368p