Não informado. (1957). Journal of Mathematics and Mechanics. Indiana University, Graduate Institute for Applied Mathematics.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of Mathematics and Mechanics. Bloomington, Ind: Indiana University, Graduate Institute for Applied Mathematics, 1957.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of Mathematics and Mechanics. Indiana University, Graduate Institute for Applied Mathematics, 1957.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.