1.
Derivatives of links. Providence (R.I.): American Mathematical Society; 1990.
Derivatives of links. Providence (R.I.) : American Mathematical Society, 14 juin 1990. ISBN 0-8218-2489-9
Cochran Tim D. (1990). Derivatives of links: Milnor's concordance invariants and Massey's products. American Mathematical Society.
Style de citation MLA (8e éd.)Cochran Tim D. Derivatives of Links: Milnor's Concordance Invariants and Massey's Products. American Mathematical Society, 1990.
Attention : ces citations peuvent ne pas être correctes à 100%.