Kenneth Appel
发表
Kenneth Appel,
K. Appel,
1966,
Journal of Symbolic Logic.
Jean Mayer,
Kenneth Appel,
Wolfgang Haken,
1979,
J. Comb. Theory, Ser. B.
Kenneth Appel,
Wolfgang Haken,
K. Appel,
1979,
J. Comb. Theory, Ser. B.
Kenneth Appel,
Wolfgang Haken,
K. Appel,
1989
.
Kenneth Appel,
Wolfgang Haken,
K. Appel,
1978
.
Kenneth Appel,
Wolfgang Haken,
1981
.
Kenneth Appel,
K. Appel,
2003
.
Kenneth Appel,
Wolfgang Haken,
K. Appel,
1976
.
Kenneth Appel,
K. Appel,
F. M. Djorup,
1968
.
Kenneth Appel,
1967
.
Kenneth Appel,
T. G. McLaughlin,
K. Appel,
1965
.
Kenneth Appel,
K. Appel,
F. M. Djorup,
1968
.
Kenneth Appel,
K. Appel,
W. Haken,
1977
.