Derrick, W. R., & Grossman, S. I. (1981). Elementary differential equations with applications (2d ed.). Addison-Wesley Pub. Co..
Citace podle Chicago (17th ed.)Derrick, William R., a Stanley I. Grossman. Elementary Differential Equations with Applications. 2d ed. Reading, Mass.: Addison-Wesley Pub. Co., 1981.
Citace podle MLA (9th ed.)Derrick, William R., a Stanley I. Grossman. Elementary Differential Equations with Applications. 2d ed. Addison-Wesley Pub. Co., 1981.
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