Ayres, F. (1972). Theory and problems of differential equations. McGraw - Hill.
シカゴスタイル引用形Ayres, Frank. Theory and Problems of Differential Equations. New York: McGraw - Hill, 1972.
MLA引用形式Ayres, Frank. Theory and Problems of Differential Equations. McGraw - Hill, 1972.
警告: この引用は必ずしも正確ではありません.