APA

Aste A. W., . (1997). Two-loop diagrams in causal perturbation theory. Zuerich: Universitaet Zuerich.

Chicago

Aste Andreas Walter, . 1997. Two-loop diagrams in causal perturbation theory. Zuerich: Universitaet Zuerich.

Harvard

Aste A. W., . (1997). Two-loop diagrams in causal perturbation theory. Zuerich: Universitaet Zuerich.

MLA

Aste Andreas Walter, . Two-loop diagrams in causal perturbation theory. Zuerich: Universitaet Zuerich. 1997.