Kodaira, K On a Theorem of Lefschetz and the Lemma of Enriques-Severi-Zariski. [electronic resource] - Proceedings of the National Academy of Sciences of the United States of America Dec 1953 - 1273-8 p. digital Publication Type: Journal Article ISSN: 0027-8424 Standard No.: 10.1073/pnas.39.12.1273 doi