Dyfyniad APA

BOYCE WILLIAM E. (2001). ELEMENTARY DIFFERENTIAL EQUATIONS AND BOUNDARY VALUE PROBLEMS 7TH ED (7TH ED.). JOHN WILEY & SONS, INC.

Dyfyniad Arddull Chicago

BOYCE WILLIAM E. ELEMENTARY DIFFERENTIAL EQUATIONS AND BOUNDARY VALUE PROBLEMS 7TH ED. 7TH ED. NEW YORK: JOHN WILEY & SONS, INC, 2001.

Dyfyniad MLA

BOYCE WILLIAM E. ELEMENTARY DIFFERENTIAL EQUATIONS AND BOUNDARY VALUE PROBLEMS 7TH ED. 7TH ED. JOHN WILEY & SONS, INC, 2001.

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