Vijayaraghavan, V. (1981). Perturbation methods. Department of Mathematics, CUSAT.
Chicago-stil citatVijayaraghavan, V. Perturbation Methods. Kochi: Department of Mathematics, CUSAT, 1981.
MLA-referensVijayaraghavan, V. Perturbation Methods. Department of Mathematics, CUSAT, 1981.
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