Style de citation APA

Kauffman, R. M. (1977). Deficiency index problem for powers of ordinary differential expressions. Springer-Verlag.

Style de citation Chicago

Kauffman, Robert M. Deficiency Index Problem for Powers of Ordinary Differential Expressions. Berlin: Springer-Verlag, 1977.

Style de citation MLA

Kauffman, Robert M. Deficiency Index Problem for Powers of Ordinary Differential Expressions. Springer-Verlag, 1977.

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