J. Leech
发表
N. Sloane,
J. Leech,
1971,
Canadian Journal of Mathematics.
J. Leech,
1967,
Canadian Journal of Mathematics.
H. Brown,
J. Leech,
1971
.
J. Leech,
1957,
Mathematical Gazette.
J. Leech,
1969,
Canadian Mathematical Bulletin.
N. Sloane,
J. Leech,
1970
.
J. Leech,
1964,
Canadian Journal of Mathematics.
N. Sloane,
J. Leech,
1999
.
John Leech,
J. Leech,
1957,
The Mathematical Gazette.
N. Sloane,
J. Leech,
1970
.
J. Leech,
1969,
Canadian Mathematical Bulletin.
John Leech,
J. Leech,
1967,
Canadian Mathematical Bulletin.
J. Leech,
L. W. Smith,
H. M. Clute,
1928,
The American journal of pathology.
John Leech,
J. Leech,
1956,
The Mathematical Gazette.
J. Leech,
1977
.
J. Leech,
1966,
Mathematical Proceedings of the Cambridge Philosophical Society.
John Leech,
J. Leech,
1965,
Mathematical Proceedings of the Cambridge Philosophical Society.
J. Leech,
J. Mennicke,
1961,
Proceedings of the Glasgow Mathematical Association.
John Leech,
J. Leech,
1956
.
John Leech,
J. Leech,
1975
.
J. Leech,
1969,
Canadian Mathematical Bulletin.