Burkill, J. C. (John Charles), 1900- The theory of ordinary differential equations. Burkill, J. C. (John Charles), 1900- - 3rd - ix,121 p ; 19 cm. - Longman mathematical texts . With answers. ISBN: 0582442877 Subjects--Topical Terms: Differential equationsMathematics Dewey Class. No.: 515.35