Miller, W. (1977). Symmetry and separation of variables. Addison-Wesley Pub. Co., Advanced Book Program.
Chicago-viite (17. p.)Miller, Willard. Symmetry and Separation of Variables. Reading, Mass: Addison-Wesley Pub. Co., Advanced Book Program, 1977.
MLA-viite (9. p.)Miller, Willard. Symmetry and Separation of Variables. Addison-Wesley Pub. Co., Advanced Book Program, 1977.
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