Vaheeda, M. (1987). Perturbation techniques. Department of Mathematics, CUSAT.
シカゴスタイル引用形Vaheeda, M. Perturbation Techniques. Kochi: Department of Mathematics, CUSAT, 1987.
MLA引用形式Vaheeda, M. Perturbation Techniques. Department of Mathematics, CUSAT, 1987.
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