APA-čujuhus (7. p.)
Ziebur, A. D. (1970). Topics in differential equations. Dickenson Pub. Co..
Chicago-čujuhus (17. p.)
Ziebur, Allen D. Topics in Differential Equations. Belmont, Calif.: Dickenson Pub. Co., 1970.
MLA-čujuhus (9. p.)
Ziebur, Allen D. Topics in Differential Equations. Dickenson Pub. Co., 1970.
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