小林距離
Kobayashi, Shoshichi (1967). “Intrinsic Metrics on Complex Manifolds”. Bull. Amer. Math. Soc. 73: 347–349. http://www.ams.org/journals/bull/1967-73-03/S0002-9904-1967-11745-2/S0002-9904-1967-11745-2.pdf.
Kobayashi, Shoshichi (1970), Hyperbolic manifolds and holomorphic mappings, Pure and Applied Mathematics, 2, New York: Marcel Dekker Inc., ISBN 978-0-8247-1380-5, MR0277770, https://books.google.co.jp/books?id=rleQdMhML6kC&redir_esc=y&hl=ja
Kobayashi, Shoshichi (1977). “Intrinsic distances associated with flat affine or projective structures”. J. Fac. Sci. Univ. Tokyo 24: 129–135. MR445016.