Forsyth, A. R. (1959). Theory of differential equations. Dover Publications.
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Chicago-čujuhus (17. p.)
Forsyth, Andrew Russell. Theory of Differential Equations. New York: Dover Publications, 1959.
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MLA-čujuhus (9. p.)
Forsyth, Andrew Russell. Theory of Differential Equations. Dover Publications, 1959.
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