Não informado. (1957). Journal of Mathematics and Mechanics. Indiana University, Graduate Institute for Applied Mathematics.
Chicago-referens (17:e uppl.)Não informado. Journal of Mathematics and Mechanics. Bloomington, Ind: Indiana University, Graduate Institute for Applied Mathematics, 1957.
MLA-referens (8:e uppl.)Não informado. Journal of Mathematics and Mechanics. Indiana University, Graduate Institute for Applied Mathematics, 1957.
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