APA-čujuhus (7. p.)

Ayres, F. J. (1952). Theory and Problems of Differential Equations. McGraw-Hill.

Chicago-čujuhus (17. p.)

Ayres, Frank Jr. Theory and Problems of Differential Equations. New York: McGraw-Hill, 1952.

MLA-čujuhus (9. p.)

Ayres, Frank Jr. Theory and Problems of Differential Equations. McGraw-Hill, 1952.

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