APA-čujuhus (7. p.)
Sneddon, I. N. (1957). Elements of partial differential equations. McGraw-Hill.
Chicago-čujuhus (17. p.)
Sneddon, Ian N. Elements of Partial Differential Equations. New Delhi: McGraw-Hill, 1957.
MLA-čujuhus (9. p.)
Sneddon, Ian N. Elements of Partial Differential Equations. McGraw-Hill, 1957.
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