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By Claude Berge.

Publisher: National Academy of Sciences.

Publication information: pubmed.ncbi.nlm.nih.gov/16590096/

Published in Proceedings of the National Academy of Sciences of the United States of America.

Online text: acm.math.spbu.ru/~sk1/download/books/roma/Other/pnas00700-0060.pdf

Cited passages: Claude Berge, Two theorems in graph theory, printed p. 842: finite unoriented graph and Problem 3; printed p. 843, Theorem 1: maximum matching and absence of an alternating chain between neutral points.

Proceedings of the National Academy of Sciences 43(9), pp. 842–844; published 15 September 1957. The paper was communicated on 8 July 1957.