Modern elementary differential equations richard bellman late professor of mathematics university of southern california and kenneth l cooke emeritus professor of mathematics pomona college claremont california second edition dover publications inc new york. Elementary differential equations and boundary value problems william e boyce edward p hamilton professor emeritus richard c diprima formerly eliza ricketts foundation professor department of mathematical sciences rensselaer polytechnic institute john wiley sons inc new york chichester weinheim brisbane toronto singapore associate editor mary johenk marketing manager julie z lindstrom . 20 out of 5 stars modern elementary differential equations reviewed in the united states on may 10 2002 i found this book too steep for my abilities i was attracted to its small size for i hoped that this would provide an easy way to understand des however i should have remembered what pythagoras told the anxious king there is no royal road in mathematics this book is a case in