Dyfyniad APA

Lefschetz, S. (1975). Applications of algebraic topology: Graphs and networks : the Picard-Lefschetz theory and Feynman integrals. Springer-Verlag.

Dyfyniad Arddull Chicago

Lefschetz, Solomon. Applications of Algebraic Topology: Graphs and Networks : The Picard-Lefschetz Theory and Feynman Integrals. New York: Springer-Verlag, 1975.

Dyfyniad MLA

Lefschetz, Solomon. Applications of Algebraic Topology: Graphs and Networks : The Picard-Lefschetz Theory and Feynman Integrals. Springer-Verlag, 1975.

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