Derrick, W. R., & Grossman, S. I. (1987). A First Course in Differential Equations with Applications (3rd ed.). West Publishing Company.
Citace podle Chicago (17th ed.)Derrick, William R., a Stanley I. Grossman. A First Course in Differential Equations with Applications. 3rd ed. St. Paul: West Publishing Company, 1987.
Citace podle MLA (9th ed.)Derrick, William R., a Stanley I. Grossman. A First Course in Differential Equations with Applications. 3rd ed. West Publishing Company, 1987.
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