(1947). Determination of all classes of positive quartenary quadratic forms which represent all (positive) integers / by Margaret F. Willerding.
Citazione stile Chigago Style (17a edizione)Determination of All Classes of Positive Quartenary Quadratic Forms Which Represent All (positive) Integers / by Margaret F. Willerding. 1947.
Citatione MLA (9a ed.)Determination of All Classes of Positive Quartenary Quadratic Forms Which Represent All (positive) Integers / by Margaret F. Willerding. 1947.
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