Walcher, J. (2009). Extended holomorphic anomaly and loop amplitudes in open topological string. Arxiv.
Chicago Style (17th ed.) CitationWalcher, Johannes. "Extended Holomorphic Anomaly and Loop Amplitudes in Open Topological String." Arxiv 2009.
MLA (9th ed.) CitationWalcher, Johannes. "Extended Holomorphic Anomaly and Loop Amplitudes in Open Topological String." Arxiv, 2009.
Warning: These citations may not always be 100% accurate.