W. Leavitt

发表

W. Leavitt, 1962 .

W. Leavitt, A. Hoffman, 1968 .

E. Armendariz, W. Leavitt, 1968, Canadian Journal of Mathematics.

W. Leavitt, E. P. Mosbo, 1977 .

W. Leavitt, 1988 .

W. Leavitt, 1970, Glasgow Mathematical Journal.

W. Leavitt, E. P. Armendariz, 1967 .

L. M. Bruning, W. Leavitt, 1971 .

W. Leavitt, 1968, Glasgow Mathematical Journal.

G. Heyman, W. Leavitt, 1975, Glasgow Mathematical Journal.

W. Leavitt, R. E. Peinado, 1966, Proceedings of the Glasgow Mathematical Association.