Discrete Mathematics
Discrete Mathematics > 2000 > 213 > 1-3 > 67-86
Discrete Mathematics > 2000 > 222 > 1-3 > 101-109
Discrete Mathematics > 2000 > 223 > 1-3 > 367-372
Discrete Mathematics > 2000 > 213 > 1-3 > 67-86
Discrete Mathematics > 2000 > 222 > 1-3 > 101-109
Discrete Mathematics > 2000 > 223 > 1-3 > 367-372